Thru-Axle Instructions
Hi there. Thanks for spending your hard-earned cash on this Surly product. Surly stuff is designed to be useful and durable. We’re confident
it will serve you well for years to come.
WARNING: Cycling can be dangerous. Bicycle products should be installed and serviced by a professional mechanic. Never modify yourbicycle or accessories. Read and follow all product instructions and warnings including information on the manufacturer’s website. Inspect
your bicycle before every ride. Always wear a helmet.
For additional safety information about all Surly products visit: surlybikes.com/safety

Thru-Axle Compatibility• Surly 12 x 142/148mm Rear Thru-Axle• Surly 15 x 100mm Front Thru-Axle• Surly 12 x 177mm Rear Thru-Axle• Surly 15 x 110mm Front Thru-Axle• Surly 12 x 197mm Rear Thru-Axle• Surly 15 x 150mm Front Thru-Axle

Tools Required for Installation• Grease• 5mm hex wrench• 6 and/or 8mm hex wrench• Torque wrenchInstallation of the Rear Thru-Axle
Axle assembly for rear 12mm thru-axle (Figure 1)
1. Insert thru-axle into non-drive side of hub until end protrudes from drive side dropout.
2. Hold the fixed end of the axle with either a 6mm or 8mm hex wrench.
3. A
 pply grease to the internal threads of your axle and tighten axle bolt to 16N-m using a 5mm hex wrench. A washer is included withthe bolt. This needs to be installed between the bolt head and the knurled cap (as illustrated in Figure 1 & 2) to help achieve proper
torque on the assembly.
4. Check and ensure that wheel is fully engaged and sitting straight in the dropouts before getting rad.

Figure 118705 05/16

Installation of the Front Thru-Axle
Axle assembly for front 15mm thru-axle (Figure 2)
1. Insert thru-axle into drive side of hub until end protrudes from non-drive side dropout.
2. Hold the fixed end of the axle with either a 6 or 8mm hex wrench.
3. A
 pply grease to the internal threads of your axle and tighten axle bolt to 16N-m using a 5mm hex wrench. A washer is included withthe bolt. This needs to be installed between the bolt head and the knurled cap (as illustrated in Figure 1 & 2) to help achieve proper
torque on the assembly.
4. Check and ensure that wheel is fully engaged and sitting straight in the dropouts before getting rad.

Figure 2

Ongoing Maintenance
Periodically remove and reinstall the axle bolt, apply grease and check the proper torque to prevent any unwanted component fusion frommoisture or offensive off season elements.

Limited WarrantyThis Surly product is warranted against defects in materials and workmanship for one year from the date of retail purchase of the product,
subject to the limitations detailed below. Save your dated receipt for proof of purchase.
This warranty does NOT cover the following:•

Damage due to improper assembly or follow-up maintenance or lack of skill, competence or experience of the user or assembler•

 roducts that have been modified, neglected, used in competition or for commercial purposes, misused or abused, involved in accidents
Por anything other than normal use•

Installation of components, parts or accessories not originally intended for or compatible with Surly product as sold•

Damage or deterioration to the paint, surface finish, aesthetics or appearance of the product•Normal wear and tear•

Labor required to remove and/or refit and re-adjust the product within the bicycle assemblyThis limited warranty is expressly limited to the repair or replacement of a defective product, at the option of Surly, and is the sole remedyof the warranty. This limited warranty applies only to the original purchaser of the Surly product and is not transferable. This warranty applies
only to products purchased through an authorized dealer or distributor. In no event shall Surly be liable for any loss, inconvenience or damage,whether direct, incidental, consequential, or otherwise resulting from breach of any express or implied warranty or condition, of merchantability,
fitness for a particular purpose, or otherwise with respect to our products except as set forth herein.
This limited warranty gives the consumer specific legal rights, and those rights and other rights may vary from place to place. This limited
warranty does not affect your statutory rights.
TO THE EXTENT NOT PROHIBITED BY LAW, THESE WARRANTIES ARE EXCLUSIVE AND THERE ARE NO OTHER EXPRESS OR IMPLIEDWARRANTIES OR CONDITIONS INCLUDING WARRANTIES OR CONDITIONS OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.

OTHER PRODUCTS:SurlyGive us a call for a free catalog or visit our website to check out all our stuff–you won’t be disappointed.
6400 West 105th Street
Bloomington, MN 55438
The Watts Line: 877.743.3191
The Email: derby@surlybikes.com
The Web Address: surlybikes.com

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