HUBS

370
Technical Manual
V2014.01_EN

1

1.1

3

Validity

3

Safety3

Target Group3

Layout3

DT Swiss Manual Concept

4

How to Use this Manual

4

Cross References

4

Warranty (Europe)

4

Limited Equipment Warranty USA

5

General Maintenance Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Cleaning

6

Tools

6

Environmental Protection

6

Disclaimer

62

Safety7

3

Maintenance of the Hub

8

Maintenance Intervals

8

Hub Technologies

8

Safety

8

3.1

3.2

V2014.01_EN

General

3.3

Front Wheel [Pressed on Adapters] . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Removing the Adapters

10

Dismounting the Bearings

11

Cleaning the Parts

11

Mounting the Bearings

12

Mounting the Left Adapter

15

Mounting the Right Adapter

16

Front Wheel [Inserted Adapters] . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Removing the Adapters

17

Dismounting the Bearings

18

Cleaning and Degreasing all Parts

18

Mounting the Bearings

19

Mounting the Adapters

20

Rear Wheel [Two Pawl System] . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Removing the Adapters, Rotor and Rotor Sealing

22

Removing the Pawls, Spring and the Needle Cage24

Dismounting the Bearings

25

370 Technical Manual

1

3.4

Dismounting the Pawl Carrier

26

Cleaning and Checking the Parts

27

Mounting the Pawl Carrier

28

Mounting the Bearing

30

Mounting the Needle Cage, the Pawl and the Spring

32

Mounting the Rotor and the Rotor Sealing

34

Mounting the Adapters

35

Rear Wheel [Three Pawl System] . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
38

Removing Pawls, Spring and Rotor Sealing

39

Dismounting the Ring Nut

39

Dismounting the Bearings

40

Cleaning the Parts

41

Mounting the Bearings and the Ring Nut

41

Mounting the Pawls, the Spring and the Rotor Sealing

44

Mounting the Spacer, the Rotor and the Adapters

45

4

Spare Parts

47

4.1

370 100 mm/QR non disc . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47

4.2

370 100 mm/QR disc brake . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48

4.3

370 100 mm/15 mm. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49

4.4

370 110 mm/20 mm. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50

4.5

370 130 mm/QR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51

4.6

370 135 mm/QR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52

4.7

370 142 mm/12 mm disc brake . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53

V2014.01_EN

Removing the Adapter, Rotor and Spacer

370 Technical Manual2General

1 General
ValidityThis manual describes the component shown on the front page and the footer. It is valid for the constructionlevel of the component on the 2014-01-29. Deviations are possible and all items are subject to technical changes.

SafetyThe safety instructions are classified as follows:

NOTE...characterizes danger for goods.

CAUTION...characterizes danger with a high risk, which causes mayhem if it is not being avoided.

DANGER...characterizes immediate danger with a high risk, which causes death or mayhem if it is not being
avoided.

Target Group
This manual is intended for the end user and dealers.
For experienced users, it offers the possibility to carry out small maintenance works on their own. If there areany doubts concerning the own skills, there should be contacted a DT Swiss service center.
Warranty will expire if works are not done properly.

Layout
The cover page and the footing are providing information about the type of product and manual as well as theversion of the manual.
The backside provides a list of the DT Swiss service centers. A list of all DT Swiss service centers can be found atwww.dtswiss.com.

V2014.01_EN

This manual is intended for being printed as a A5 booklet. Only print this manual if electronical usage is notpossible.

370 Technical Manual3General

DT Swiss Manual Concept
The DT Swiss manuals are splitted into the following types of manuals:• User Manual
Information for the end user of how to install and use the component.
• Technical Manual
Detailed information for the end user and the dealer of how to maintain the component, spare parts
and technical data.

How to Use this Manual
The steps described in this manual must be carried out in the order they are shown. If steps are ignored or executed in a wrong order, the function of the component cannot be guaranteed.
Instructions are beginning with the table «Preparatory Steps» and ending with the table «Closing Steps». The
instructions in these tables must be carried out.
Moving parts, threads, o-rings and sealings must be greased before assembling.

Cross References
In order to simplify the use of this manual, some text is edited as hypertext. Whenever the text is formatted
blue and underlined,it is a reference to a chapter. If the text is formatted black and underlined, it is a reference
to a figure. After clicking you will be automatically redirected to the target of the reference.
Example: Click here: chap. 1, page 3 to jump to the beginning of this chapter.

Warranty (Europe)
In addition to the general guarantee required by law, DT Swiss AG based in Biel/Switzerland, provides a guarantee for 24 months from the date of purchase in accordance with European Directive 99/44/EC. DT Swiss AG
shall reject any liability for both indirect damage caused by accidents and consequential damage.
Any contradictory or extended national rights of the purchaser are not affected by this warranty. Place of performance and jurisdiction is Biel/Switzerland. Swiss law shall apply.
Submit any warranty claims to your retailer or a DT Swiss service center. Any defects recognised by DT Swiss AG
as a warranty claim will be repaired or replaced by a DT Swiss service center.
Warranty and guarantee claims can only be made by the original purchaser with a valid sales receipt.
There shall be no claim under the guarantee for:Normal wear and tear caused by use of the components
Incorrect assembly
Incorrect or non existent maintenance
Incorrectly completed repairs
Use of unsuitable products
Modification of components
Incorrect use or misuse
Carelessness
Leasing, commercial use or use in competitions
Damage caused by accidents
Delivery and transport damage
Modification, defacing or removal of the serial number

V2014.01_EN

•
•
•
•
•
•
•
•
•
•
•
•

370 Technical Manual4General

Limited Equipment Warranty USA
DT Swiss LTD makes every effort to assure that its product meets high quality and durability standards and warrants to the original retail consumer/purchaser of our product that each product is free from defects in materials and workmanship as follows:
2 YEAR LIMITED WARRANTY ON THIS DT SWISS PRODUCT. This warranty does not apply to defects due directly
or indirectly to misuse, abuse, negligence or accidents, repairs or alterations outside our facilities or to a lackof maintenance.
DT SWISS LTD LIMITS ALL IMPLIED WARRANTIES TO THE PERIOD OF TWO YEARS FROM THE DATE OF INITIAL
PURCHASE AT RETAIL. EXCEPT AS STATED HEREIN, ANY IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS ARE EXCLUDED. SOME STATES MAY NOT ALLOW LIMITATIONS ON HOW LONG THE IMPLIED WARRANTYLASTS, SO THE ABOVE LIMITATION MAY NOT APPLY TO YOU. DT SWISS LTD SHALL IN NO EVENT BE LIABLE FOR
DEATH, INJURIES TO PEOPLE OR PROPERTY OR FOR INCIDENTAL, CONTINGENT, SPECIAL OR CONSEQUENTIAL
DAMAGES ARISING FROM THE USE OF OUR PRODUCTS. SOME STATES MAY NOT ALLOW THE EXCLUSION OR
LIMITATION OF INCIDENTAL OR CONSEQUENTIAL DAMAGES, SO THE ABOVE LIMITATION OR EXCLUSION MAY
NOT APPLY TO YOU.

V2014.01_EN

To take advantage of this warranty, the product or part must be returned for examination, postage prepaid, tothe dealer where you bought the product or to a DT Swiss service center. Proof of purchase date and an explanation of the complaint must accompany the product. If our inspection discloses a defect, DT Swiss will either
repair or replace the product or refund the purchase price, if we cannot readily and quickly provide a repair or
replacement. DT Swiss will return repaired product or replacement at DT Swiss expense, but if it is determined
there is no defect, or that the defect resulted from causes not within the scope of this warranty, then the user
must bear the cost of shipping. This warranty gives you specific legal rights, and you may also have other rights
which vary from state to state. Legal venue and place of performance is Biel (Switzerland). Swiss law shall apply.
Subject to technical changes. Please keep the user manual and warranty for future use.

370 Technical Manual5General Maintenance Information

1.1

General Maintenance Information

Cleaning
For an optimal result of the maintenance works, every component that will be disassembled must be cleaned.
There may only be used cleaners which do not damage the components. Especially the cleaning of o-rings andsealings requires mild cleaners. Always consider the instructions of the respective cleaner.
DT Swiss recommends the following cleaners:•••

Motorex Rex
Motorex Swissclean
Motorex OPAL 2400, OPAL 3000, OPAL 5000

Use soap water or similar mild cleaners for external cleaning.

Tools
To ensure a damage-free mounting and dismounting of the components, only usethe tools which are mentioned in this manual. The usage of differing tools is up to the user. If components are being damaged by theusage of differing tools, the user is liable.

Environmental Protection
Whenever possible, waste has to be avoided. Waste, especially carbon, lubricants, cleaners and any other fluids
must be disposed in an environmentally compatible manner.
Only print this manual, if electronical usage is not possible.

Disclaimer

V2014.01_EN

The operations described in this manual should only be done by professionals. The user is liable for any damage
or consequential damage which is caused by wrong maintained or wrong installed components. If you havedoubts, please contact a DT Swiss service center.

370 Technical Manual

6Safety

2 Safety

DANGER
Incorrect handling, installation, maintenance or servicing can lead to accidents causing severe
injuries or death!
• Compliance with the following provisions is a prerequisite for accident-free use and faultless functioning.
• Assembly and maintenance of the component requires a basic knowledge of handling bicycle components. If in any doubt, consult your retailer.
• Components should only be used in accordance with their intended use, otherwise the user shall assume full responsibility.
• The component must be compatible with all parts of the bicycle.
• Only use original spare parts.
• The components must not be changed or modified.
• The component must not be used if it is damaged or there are any signs of damage. If in any doubt,
consult a DT Swiss service center.

DANGER
Risk of death caused by incorrectly assembled or faulty wheels and hubs!

V2014.01_EN• Check that the wheel is connected correctly before each ride.
• Before every use, check the function of the rear wheel hub. Make sure that the freewheel and engagement connection function impeccably. Should there be any malfunction, the rear wheel hub must not
be used.
• Check the wheel for damage before and after each ride.
• Regularly check the spoke tension, rotation and wear of the wheel.

370 Technical Manual

7

3 Maintenance of the HubThis chapter describes a big hub service. It includes:•••

disassembly of the hub
cleaning and greasing all parts
assembly of new bearings and assembly of the hub

Maintenance Intervals
The following periodic maintenance and service works are recommended by DT Swiss:
ActionInterval

Maintenance of the hub

Maintenance of the Hub••normal operating conditions
extreme operating conditions (frequent rides in rain, mud, snow)

annually
as required

Checking the hub for damages.

before and after eachride

Cleaning with a soft sponge and a appropriate cleaner.
Do not use high pressure cleaners or aggressive cleaners.

after each ride

Hub Technologies
The following hub technologies are described in this manual:••••

front wheel with pressed-on adapters (MTB with 15 mm and 20 mm dropout): chap.3.1, p.9
front wheel with inserted adapters (MTB and ROAD with QR-dropouts): chap.3.2, p.17
rear wheel with Two Pawl system (MTB and ROAD with QR-dropouts): chap.3.3, p.21
rear wheel with Three Pawl system (MTB with 142/12 dropouts): chap.3.4, p.37

SafetyDANGER
Danger to life due to incorrect maintenance!
Wrong maintenance or assembly can lead to unpredictable errors.
• Maintenance must only be done by professionals.
• In case of any doubts, contact a DT Swiss service center.

CAUTION
Danger of injury due to false spare parts!
Usage of false spare parts can lead to unpredictable errors.

V2014.01_EN• Only use original spare parts or spare parts released by DT Swiss.

370 Technical Manual8Front Wheel [Pressed on Adapters]

3.1

Front Wheel [Pressed on Adapters]

figure 3.1:
1
2
3

Overview: front wheel with pressed on adapters

cover
adapter leftball bearing

4
5
6

spacero-ringhub shell

7
8
9

sticker
adapter rightPreparatory StepsLink

not required
Required Material
mounting pin Ø15 mm

Specification

AmountHWTXXX00N5290S

1

HWTXXX00N5292S

1

HXTXXX00N5024S

2

mounting sleeve Ø28 mm

mounting pin Ø20 mm

mounting sleeve Ø37 mm

V2014.01_EN

installation toolnylon hammer

1drift punch

1

universal grease

as requiredball bearing

see chap.4, p.47

370 Technical Manual29Front Wheel [Pressed on Adapters]

Removing the Adapters

NOTE
Risk of damage of the adapters and the ball bearings!
The mounting pin must not touch the ball bearing while disassembling the adapters.

1. Plug the mounting pin into one of the adapters(fig.3.1/2 or 8).
2. Push the mounting pin downwards (see picture).

3. Remove the adapter (fig.3.1/2 or 8) and the cover(fig.3.1/1).

V2014.01_EN

4. Repeat steps on the second adapter.

370 Technical Manual10Front Wheel [Pressed on Adapters]

Dismounting the Bearings
1. Push the spacer (fig.3.1/4) beside and place a spin
drift on the edge of the ball bearing (fig.3.1/3).
2. Slightly drive out the ball bearing opposite thedisc-side.

3. Turn the hub 180°.
4. Put the mounting pin with its big diameter onto
the spacer.
5. Drive out the bearing (fig.3.1/3) on the disc-side.

Cleaning the Parts

V2014.01_EN

1. Clean all parts of the hub (see Cleaning, p.6).

370 Technical Manual11Front Wheel [Pressed on Adapters]

Mounting the Bearings
1. Grease the bearing seats and the inner surface ofthe hub shell (fig.3.1/6).

2. Put a new bearing (fig.3.1/3) with the colored side
outwards onto the bearing seat on the disc-side.

3. Put the installation tool into a vice.
4. Slide the non disc-side of the hub shell onto thetool.
5. Put the second installation tool onto the disc-sideof the hub shell.

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6. Drive in the bearing using a nylon hammer.

370 Technical Manual12Front Wheel [Pressed on Adapters]

7. Turn the hub 180°.
8. Slide the spacer (fig.3.1/4) with the o-rings(fig.3.1/5) into the hub.

9. Put a new bearing (fig.3.1/3) with the colored side
outwards onto the bearing seat.

10. Put the installation tool into a vice.
11. Slide the disc-side of the hub shell onto the tool.
12. Put the second installation tool onto the non discside of the hub shell.

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13. Drive in the bearing (fig.3.1/3) using a nylon hammer.

370 Technical Manual13

Front Wheel [Pressed on Adapters]
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14. Grease both bearings (fig.3.1/3).

370 Technical Manual14

Front Wheel [Pressed on Adapters]

Mounting the Left Adapter
1. Put the left adapter (fig.3.1/2) and the cover(fig.3.1/1) onto the hub.

2. Put the small diameter of the mounting sleeve
onto the left adapter (fig.3.1/2).
3. Slide the mounting pin into the mounting sleeve.

V2014.01_EN

4. Drive the cover (fig.3.1/1) onto the hub.

370 Technical Manual15

Front Wheel [Pressed on Adapters]

Mounting the Right Adapter
1. Put the right adapter (fig.3.1/8) and the cover(fig.3.1/1) onto the hub.

2. Put the big diameter of the mounting sleeve onto
the right adapter (fig.3.1/8).
3. Slide the mounting pin into the mounting sleeve.

4. Drive the cover (fig.3.1/1) onto the hub.

Closing Steps

Link

V2014.01_EN

not required

370 Technical Manual16Front Wheel [Inserted Adapters]

3.2

Front Wheel [Inserted Adapters]

figure 3.2:
1
2

Overview: front wheel with inserted adapters

adapterball bearing

3
4

spacerhub shell

5

sticker

Preparatory StepsLink

not required
Required Material

Specification

short installation tool

AmountHXTXXX00N5023S

2nylon hammer

1

universal grease

as requiredball bearing

see chap.4, p.47

2

Removing the Adapters

V2014.01_EN

1. Remove the adapters (fig.3.2/1) by hand.

370 Technical Manual17

Front Wheel [Inserted Adapters]

Dismounting the Bearings
1. Hit the axle (fig.3.2/3) with a nylon hammer anddrive out the first bearing (fig.3.2/2).

2. Take the bearing(fig.3.2/3).

(fig.3.2/2)

from

the

axle

3. Slide the axle (fig.3.2/3) through the second bearing (fig.3.2/2).
4. Repeat steps to drive out the second bearing.

Cleaning and Degreasing all Parts

V2014.01_EN

1. Clean all parts of the hub (see Cleaning, p.6).

370 Technical Manual18

Front Wheel [Inserted Adapters]

Mounting the Bearings
1. Grease the bearing seats and the inner surface ofthe hub shell (fig.3.2/4).

2. Slide the axle (fig.3.2/3) into the installation tool.

3. Slide the hub shell (fig.3.2/4) onto the installation
tool and the axle (fig.3.2/3).
4. Put a new bearing with the colored side outwards
onto the axle and the hub shell.

V2014.01_EN

5. Put the second installation tool onto the bearing(fig.3.2/2) and drive in the bearing using a nylon
hammer.

370 Technical Manual19

Front Wheel [Inserted Adapters]

6. Turn the hub 180° an repeat steps to drive in the second bearing.
7. Check the play of the hub. Therefore hold the axle
and move the hub axial.
> The hub must not have play.
8. If there is play, drive in the bearing.
If you are using a disc-brake-hub, drive in the bearing on the disc-side first.
9. Check the running of the bearings. Therefore holdthe axle and turn the hub.
> The hub must turn smoothly.
10. If the hub turns stiff, slightly loosen the bearingsby hitting the axle with slight hammer strokes.
If you are using disc brake hubs, first loosen the
bearing on the non disc-side.

Mounting the Adapters
1. Grease the bearings and the inner surface of both
adapters (fig.3.2/1).

2. Put the adapters (fig.3.2/1) onto the hub by hand.

Closing Steps

Link

V2014.01_EN

not required

370 Technical Manual

20

Rear Wheel [Two Pawl System]

3.3

Rear Wheel [Two Pawl System]

figure 3.3:
1
2
3
4
5

Overview Two Pawl Systemknurled disc
adapter rightball bearing
axle
screw fitting for pawl carrier

11 needle cage
12 bearing shell
13 ball bearing
14 rotor
15 adapter left

Preparatory Steps

Link

Remove the cassette.

see instructions of
the manufacturer

Required Material

V2014.01_EN

6 hub shell
7 sticker
8 pawl carrier
9 pawl10 spring for pawl carrier

Specification

Amountshort installation tool

HXTXXX00N5016S

1long installation tool

HXTXXX00N5017S

1

wrench for bearing shell

HXTXXX00N5030S

1axle holder

HXTXXX00N5001S

1

wrench17 mm

1wrench27 mm

1Allen key

12 mm

1

nylon hammer

1

forceps1

universal grease

as required

370 Technical Manual21

Rear Wheel [Two Pawl System]

Required Material

Specification

Amountservice kit ONYX/CERIT

includes spring for pawl carrier, twopawls, universal grease, see chap.4, p.47

as requiredneedle cage kit

includes needle cage and 12 needles, seechap.4, p.47

as required

spring for pawl carrier

see chap.4, p.47

1ball bearing drive side

see chap.4, p.47

1ball bearing non drive side

see chap.4, p.47

1

Removing the Adapters, Rotor and Rotor Sealing
1. Clamp the axle opposite to the rotor-side into theaxle holder.
2. Unscrew the knurled disc (fig.3.3/1) on the rotorside using a 17 mm wrench.

3. Remove the knurled disc (fig.3.3/1) and the adapter (fig.3.3/15).

V2014.01_EN

4. Carefully slide the rotor (fig.3.3/14) off the hub.

370 Technical Manual22Rear Wheel [Two Pawl System]

5. Clamp the axle on the rotor-side into the axle holder.
6. Unscrew the knurled disc (fig.3.3/1) using a 17 mm
wrench.

7. Remove the knurled disc (fig.3.3/1) and the adapter (fig.3.3/15).

V2014.01_EN

8. Remove the rotor sealing.

370 Technical Manual23

Rear Wheel [Two Pawl System]

Removing the Pawls, Spring and the Needle Cage
1. Push the spring (fig.3.3/10) out of the groove
using a flat screwdriver.
Caution: If you remove the spring, it has to be replaced by a new one.

2. Slide the spring (fig.3.3/10) upwards and removeit.

3. Remove both pawls (fig.3.3/9).

V2014.01_EN

4. Slide the needle cage (fig.3.3/11) upwards and remove it.

370 Technical Manual24

Rear Wheel [Two Pawl System]

Dismounting the Bearings
1. Dismount the bearing (fig.3.3/3) opposite to thedrive side by hitting the axle (fig.3.3/4) with a nylon hammer.

2. Remove the bearing (fig.3.3/3) from the axle
(fig.3.3/4).

3. Slide the axle (fig.3.3/4) through the bearing(fig.3.3/13) on the drive side.
4. Drive out the bearing using a nylon hammer.

V2014.01_EN

5. Remove the bearing (fig.3.3/13) from the axle
(fig.3.3/4).

370 Technical Manual25

Rear Wheel [Two Pawl System]

Dismounting the Pawl Carrier
The pawl (fig.3.3/5) carrier and the bearing shell (fig.3.3/12) must only be dismounted, if they aredamaged!
1. Clamp the long installation tool into the vice.
2. Put the axle (fig.3.3/4) into the installation tool.
3. Slide the hub shell (fig.3.3/6) onto the installation
tool and the axle.
4. Put the wrench for the bearing shell (fig.3.3/12)
onto the bearing shell.

5. Unscrew the bearing shell (fig.3.3/12) using a
27 mm wrench.
Caution: left-hand thread!
6. Remove the hub, axle and installation tool fromthe vice.

The screw connection of the pawl carrier gets tightened while pedaling. Because of this it might bevery hard to loose the pawl carrier. It is recommended to loosen the pawl carrier only when the wheel
is complete.

V2014.01_EN

7. Put a 12 mm Allen key into a vice.
8. Put the hub body (fig.3.3/6) onto the Allen key.
9. Turn the wheel anti clockwise and loosen the pawl
carrier (fig.3.3/5).
10. Put the hub and the Allen key out of the vice.

370 Technical Manual26

Rear Wheel [Two Pawl System]

11. Remove the pawl carrier (fig.3.3/8) and the screw
fitting (fig.3.3/5).

Cleaning and Checking the Parts
1. Clean all parts of the hub (see Cleaning, p.6).
2. Check the needle cage, the pawls and the springfor damages. Replace the parts if necessary.

3. Clean the rotor (fig.3.3/14) with a mild cleaner.
4. Check the rotor for damages.
Grooves from the cassette are no damages. These
are normal signs of usage.
5. Clean the rotor sealing with a mild cleaner.
6. Check the sealing for damages and replace if necessary.

V2014.01_EN

7. Remove bad notches from the rotor (fig.3.3/14)
using a file.
8. Clean the rotor. Metal filings must be removed
completely.

370 Technical Manual27

Rear Wheel [Two Pawl System]

Mounting the Pawl Carrier
1. Grease the bearing seats and the inner surface ofthe hub shell.

2. Put a 12 mm Allen key into a vice.
3. Put the screw fitting (fig.3.3/5) onto the Allen key.
4. Put the hub shell (fig.3.3/6) onto the screw fitting.

5. Put the pawl carrier (fig.3.3/8) into the hub shell(fig.3.3/6).

V2014.01_EN

6. Turn the wheel (or the hub shell) clockwise andtighten the screw fitting with a min. torque of
60 Nm.
7. Remove the hub and the Allen key from the vice.

370 Technical Manual28

Rear Wheel [Two Pawl System]

8. Put the long installation tool into the vice.
9. Put the long side of the axle (fig.3.3/4) into the installation tool.
10. Slide the hub shell onto the tool and the axle.
11. Screw the bearing shell (fig.3.3/12)onto the pawl
carrier (fig.3.3/8) by hand.

12. Put the wrench for the bearing shell onto the bearing shell (fig.3.3/12).

V2014.01_EN

13. Screw on the bearing shell using a 27 mm wrench.
Caution: Left-hand thread.

370 Technical Manual29Rear Wheel [Two Pawl System]

Mounting the Bearing
1. Put a new bearing (fig.3.3/13) with its colored side
outwards onto the bearing shell (fig.3.3/12).

2. Put the short installation tool onto the bearing(fig.3.3/13).
3. Drive in the bearing using a nylon hammer.

4. Take the axle (fig.3.3/4) out of the hub, turn it
180° and put it back into the hub.
5. Put the drive side of the hub onto the long installation tool.

V2014.01_EN

6. Put a new bearing (fig.3.3/3) with its colored side
outwards onto the axle.

370 Technical Manual30

Rear Wheel [Two Pawl System]

7. Put the short installation tool onto the bearing(fig.3.3/3).
8. Drive in the bearing using a nylon hammer.

V2014.01_EN

9. Check the play of the hub. Therefore hold the axle
and move the hub axial.
> The hub must not have play.
10. If there is play, drive in the bearing.
If you are using a disc-brake-hub, drive in the bearing on the disc-side first.
11. Check the running of the bearings. Therefore holdthe axle and turn the hub.
> The hub must turn smoothly.
12. If the hub turns stiff, slightly loosen the bearingsby hitting the axle with slight hammer strokes.
If you are using disc brake hubs, loosen the bearing on the non disc-side.

370 Technical Manual31

Rear Wheel [Two Pawl System]

Mounting the Needle Cage, the Pawl and the Spring
1. Grease the needle cage (fig.3.3/11) and the needles using universal grease.

2. Grease the bearing shell (fig.3.3/12), the inner surface of the hub shell, the axle and the threadusing universal grease.

3. Slide the needle cage (fig.3.3/11) onto the hub andattach the needles using forceps (or s.th. similar).
4. Check if all needles are attached correctly inside
the needle cage.

V2014.01_EN

5. Attach both pawls (fig.3.3/9).
Grease the pawls generous. This way, the pawls
stuck in the correct position.

370 Technical Manual32

Rear Wheel [Two Pawl System]

6. Slide a new spring (fig.3.3/10) onto the bearing
shell (fig.3.3/12).
The spring must not be damaged while mounting!

7. Slide the spring (fig.3.3/10) onto the pawls(fig.3.3/9).
8. Check, if the spring sits inside the groove over thecomplete circumference.
9. Check, if the pawls can be moved.

10. Grease the pawls (fig.3.3/9) slightly using universal
grease.

V2014.01_EN

11. Grease the bearing generous.

370 Technical Manual33

Rear Wheel [Two Pawl System]

Mounting the Rotor and the Rotor Sealing
1. Grease the rotor sealing using universal grease.

2. Mount the rotor sealing.
The sealing lip must face to the rotor (see picture).
3. Fill the seat of the needle cage with universal grease.

V2014.01_EN

4. Slide the rotor (fig.3.3/14) onto the hub while performing a rotary motion.
5. Check if the rotor can be turned easily and if thepawls lock.

370 Technical Manual34

Rear Wheel [Two Pawl System]

Mounting the Adapters
1. Grease the bearings and the inner surface of theadapters.

2. Put the right adapter (fig.3.3/15) onto the driveside.

3. Put the left adapter (fig.3.3/2) on the non driveside of the hub.

V2014.01_EN

4. Attach both knurled discs (fig.3.3/1) and tighten
them by hand.
5. Put the knurled disc on the non drive side into avice. Ensure that only the knurled disc is clamped.
6. Tighten the knurled disc with a torque of 17 Nm
using a 17 mm wrench.
7. Take the hub out of the vice.
8. Check both knurled discs for the correct torque.

370 Technical Manual35

Rear Wheel [Two Pawl System]

Link

Mount the cassette

see instructions of
the manufacturer

V2014.01_EN

Closing Steps

370 Technical Manual36Rear Wheel [Three Pawl System]

3.4

Rear Wheel [Three Pawl System]

figure 3.4:
1
2
3

Overview Three Pawl System

adapter leftball bearing
axle

4
5
6

hub shellring nut
spacer7
8

rotor
adapter rightPreparatory Steps

Link

Remove cassette.

see instructions of
the manufacturer

Required Material

Specification

Amountshort installation tool

HXTXXX00N5024S

2

tool for ring nut

HXTXXX00N5266S

1nylon hammer

1

screwdriver

1

universal grease

as requiredball bearing

see chap.4, p.47

2service kit 3 pawl systemsee chap.4, p.47

as required

NOTE
Risk of damage of the adapters!

V2014.01_EN

To avoid damages, only use grind clamping jaws, aluminium clamping jaws or special tools to clamp theadapters.

370 Technical Manual37

Rear Wheel [Three Pawl System]

Removing the Adapter, Rotor and Spacer
1. Clamp the right adapter (fig.3.4/8) into a vice.
2. Pull off the wheel, respectively the hub. Take carethat the rotor does not fall off.
3. Clamp the left adapter (fig.3.4/1) into a vice.
4. Pull off the wheel, respectively the hub.

5. Pull the rotor (fig.3.4/7) off the hub.

V2014.01_EN

6. Pull the spacer (fig.3.4/6) off the axle.

370 Technical Manual38

Rear Wheel [Three Pawl System]

Removing Pawls, Spring and Rotor Sealing
1. Remove the spring using a small, flat screwdriver.
2. Remove the pawls.

3. Remove the rotor sealing.
4. Check the sealing. Change a broken sealing.

Dismounting the Ring Nut
The ring nut has only to be replaced, if it is damaged.
The bearing on the drive side can also be changed when the ring nut is still mounted.

The ring nut gets tightened while pedaling. Because of this it might be very hard to loose the ringnut. It is recommended to loosen the ring nut only when the wheel is complete.

V2014.01_EN

1. Put the tool for the ring nut in the clamp in its
high position.
2. Put the drive side of the hub onto the tool.
3. Turn the wheel, respectively the hub anti clockwise.

370 Technical Manual39

Rear Wheel [Three Pawl System]

4. Remove the ring nut from the tool.
5. Remove the tool from the vice.

Dismounting the Bearings
1. Drive out the bearing on the disc-side by hitting
the axle with a nylon hammer.

2. Remove the bearing from the axle.

V2014.01_EN

3. Turn the axle 180° and put it through the hub andthe bearing on the drive side.
4. Drive out the bearing on the drive side,

370 Technical Manual40

Rear Wheel [Three Pawl System]

5. Remove the bearing from the axle.

Cleaning the Parts
1. Clean all parts of the hub (see Cleaning, p.6).

Mounting the Bearings and the Ring Nut

V2014.01_EN

1. Grease the bearing seats and the thread for the
ring nut.

370 Technical Manual41

Rear Wheel [Three Pawl System]

2. Put the short installation tool into the vice.
3. Slide the bearing with the colored side outwards
onto the axle.
4. Slide the axle and the bearing into the installationtool.

5. Put the drive side of the hub onto the installation
tool.
6. Slide the long installation tool onto the non driveside of the hub.

7. Hit the long installation tool using a nylon hammer.
8. Remove the long installation tool from the hub.
9. Remove the hub from the short installation tool.
10. Remove the short installation tool from the vice.

V2014.01_EN

11. Put the tool for the star nut in the lower position
into the vice.
12. Put the star nut onto the tool.

370 Technical Manual42

Rear Wheel [Three Pawl System]

13. Put the hub shell onto the ring nut.
14. Turn the hub shell clockwise and tighten the starnut handtight.

15. Remove the hub from the tool.
16. Remove the tool from the vice, turn it 90° and put
it back into the vice.
17. Put the hub onto the tool.

18. Put a new bearing with the colored side outwards
onto the non drive side.

V2014.01_EN

19. Drive in the bearing using a plastic hammer.

370 Technical Manual43

Rear Wheel [Three Pawl System]

20. Check the play of the hub. Therefore hold the axle
and move the hub axial.
> The hub must not have play.
21. If there is play, drive in the bearing.
If you are using a disc-brake-hub, drive in the bearing on the disc-side first.
22. Check the running of the bearings. Therefore holdthe axle and turn the hub.
> The hub must turn smoothly.
23. If the hub turns stiff, slightly loosen the bearingsby hitting the axle with slight hammer strokes.
If you are using disc brake hubs, loosen the bearing on the non disc-side.

Mounting the Pawls, the Spring and the Rotor Sealing
1. Mount the rotor sealing.

2. Slightly grease the rotor and the rotor sealing.

V2014.01_EN

3. Mount the pawls.
Grease the pawls generous. This way, the pawls
stuck in the correct position.

370 Technical Manual44

Rear Wheel [Three Pawl System]

4. Mount the spring.
The open end of the spring must be positioned at
the pin.

5. Slightly grease the pawls with universal grease.

Mounting the Spacer, the Rotor and the Adapters
1. Grease the bearing and the axle.

V2014.01_EN

2. Slide the spacer (fig.3.4/6) onto the axle.

370 Technical Manual45

Rear Wheel [Three Pawl System]

3. Slide the rotor (fig.3.4/7) onto the hub while performing a rotary motion.
4. Check if the rotor can be turned easily and if thepawls lock.

5. Grease the bearings and the inner surface of both
adapters (fig.3.4/1, 8).

6. Put on both adapters (fig.3.4/1, 8) and push themin by hand.
Caution: The shorter adapter must be attached on thedrive side.

Link

Mount the cassette.

see instructions of
the manufacturer

V2014.01_EN

Closing Steps

370 Technical Manual46

Spare Parts

4 Spare Parts

NOTE
Different version of the figures!
Some of the products on the figures in this chapter are available in different versions (straight pull, center
lock etc.). For simplification there is only shown one version of the hub shell.

4.1

370 100 mm/QR non discfigure 4.1:

370 100 mm non disc

Spare Part

Art. No.

100

FW adapter

HWAXXX00S4559S

200

ball bearing

HSBXXX00N1002S

300

axle

HRCXXX00N4558S

V2014.01_EN

Pos.

370 Technical Manual47370 100 mm/QR disc brake

4.2

370 100 mm/QR disc brakefigure 4.2:

370 100 mm disc brake

Spare Part

Art. No.

150

FW adapter

HWAXXX00S4522S

200

ball bearing

HSBXXX00N1002S

300

axle

HRCXXX00N4252S

V2014.01_EN

Pos.

370 Technical Manual48370 100 mm/15 mm

4.3

370 100 mm/15 mm

figure 4.3:

370 100 mm/15 mm disc brake

Spare Part

Art. No.

100

adapter left

HCA00100S4601S

110

cover

HCD00100S4603S

150

adapter right

HCA00100S4602S

250

ball bearing

HSBXXX00N1468S

300

spacer

HXD00000N4600S

310

o-ringHSOXXX00X2164S

V2014.01_EN

Pos.

370 Technical Manual49370 110 mm/20 mm

4.4

370 110 mm/20 mm

figure 4.4:

370 110 mm/20 mm disc brake

Spare Part

Art. No.

100

adapter left

HCAXXX00S1457S

110

cover left

HCDXXX00S1458S

140

cover right

HCDXXX00S1461S

150

adapter right

HCAXXX00S1460S

200

ball bearing

HSBXXX00N1414S

300

spacerHXDXXX00N1459S

V2014.01_EN

Pos.

370 Technical Manual50

370 130 mm/QR

4.5

370 130 mm/QR

figure 4.5:

370 130 mm/QR non disc

Pos.

Spare Part

Art. No.

100

adapter left

HCAXXX00S4531S

150

adapter right 10-speed

HCAXXX00S4532S

adapter right 11-speed

HCA00100S4368S

160

knurled disc

HCDXXX00S4081S

200

ball bearing

HSBXXX00N1002S

250

ball bearing

HSBXXX00N4085S

300

axle

HCCXXX00S4093S

410

screw fitting for pawl carrier

HCDXXX00N4077S

420

pawl carrier

HCDXXX00S4160S

430

pawl

HCDXXX00S4074S

440

pawl spring

HXDXXX00S4075S

450

needle cage kit (needle cage, 12 needles)

HWDXXX00S4089S

460

bearing shell

HCDXXX00N4076S

1100

rotor Shimano 10-speed

HWRABX00S4130S

rotor Shimano 11-speed

HWRABX00S4366S

service kit ONYX/CERIT (spring, two pawls, universal grease)

HWTXXX00NSKONS

V2014.01_EN-

370 Technical Manual51

370 135 mm/QR

4.6

370 135 mm/QR

figure 4.6:

370 135 mm/QR non disc

Pos.

Spare Part

Art. No.

100

adapter left

HCAXXX00S4534S

150

adapter right 10-speed

HCAXXX00S4532S

adapter right 11-speed

HCAXXX00S4416S

160

knurled disc

HCDXXX00S4081S

200

ball bearing

HSBXXX00N1002S

250

ball bearing

HSBXXX00N4085S

300

axle

HCCXXX00S4079S

410

screw fitting for pawl carrier

HCDXXX00N4077S

420

pawl carrier

HCDXXX00S4160S

430

pawl

HCDXXX00S4074S

440

pawl spring

HXDXXX00S4075S

450

needle cage kit (needle cage, 12 needles)

HWDXXX00S4089S

460

bearing shell

HCDXXX00N4076S

1100

rotor shimano 10-speed

HWRABX00S4130S

rotor shimano 11-speed

HWRABX00S4403S

service kit ONYX/CERIT (spring, two pawls, universal grease)

HWTXXX00NSKONS

V2014.01_EN-

370 Technical Manual52370 142 mm/12 mm disc brake

4.7

370 142 mm/12 mm disc brakefigure 4.7:

370 142 mm/12 mm disc brake

Spare Part

Art. No.

100

adapter left

HWAXXX00S4648S

150

adapter right

HWAXXX00S4637S

200

ball bearing

HSBXXX00N1468S

300

axle

HCCXXX00N4635S

600

ring nut

HCDXXX00N4191S

800

spacerHCDXXX00S4190S

1100

rotor

HWRABM00S4193S-

service kit 3 pawl system

HWTXXX00NSK3PS

V2014.01_EN

Pos.

370 Technical Manual53

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