Shimano T47 I.B.
Threaded Internal Bearing BB
For Shimano cranks onlyShimano T47 I.B. Compatibility and SpecCRANKSET

Compatible with Shimano Hollowtech II road cranksets

FRAME SHELL

T47 85.5mm Road Frames

FRONT DERAILLEUR

Braze-on, Clamp-on, or Direct Mount

SAFETY INFORMATION - READ BEFORE RIDEREQUIRED TOOLS

Since specific tools and experience are necessary for proper installation, it is recommended that the product be installed by a qualified bicycle technician.
Read the service instructions of your crank carefully prior to installing the parts. Loose, worn or damaged parts maycause riding problems and serious injury may occur as a result. If installation and adjustments are not carried out correctly, the chain may come off and this may cause you to fall off the bicycle which could result in serious injury. Readthese instructions carefully, and keep them for later use.
• Ensure that the T47- frame shell is clean.
• Make sure the BB Sleeve is on the Drive Cup prior to threading in the Non-Drive side.
• Apply Anti-Seize to the drive cup threads and smooth taper area before installing.
• Before riding the bicycle, check that there is no play or looseness in the bottom bracket connection. Also, be sure to
retighten the crankarms and pedals at periodic intervals.
• If you feel any looseness or ‘play’ in the bearings, the bottom bracket should be inspected/replaced.
• Be sure to read the instructions for your front chainrings/crank in conjunction with these service instructions.
• Do not wash the bottom bracket with high-pressure jets of water.
• For maximum performance it is required to remove and periodically inspect/clean your Praxis Works bottom bracket.

• Parts are not guaranteed against natural wear or deterioration resulting from normal use.

• For any questions regarding methods of installation, adjustment, maintenance or operation, please contact a professional bicycle dealer or call Praxis Works.
• Praxis Works assumes no responsibility for damages or injury related to improperly installed components.

• Praxis #TP-2400 BB Tool
• 3/8” Drive Torque Wrench

Included Parts
NumberPartQty

1

Shimano Dust Cover

12

LEFT/NON-DRIVE Cup with
24mm ID Bearing

13BB Sleeve

14RIGHT/DRIVE Cup with
24mm ID Bearing

15Shimano Dust Cover

11

READ THE STEP-BY-STEP INSTRUCTIONS THAT ARE PROVIDED ON THE OTHER SIDE.

• Anti-Seize Compound• Waterproof Grease

2345

WARRANTY• Praxis Works Bottom Bracket products are warrantied to be free from defects in materials or workmanship for twoyears after original purchase. The warranty is non-transferable and valid to the original purchaser of the product only.
• Any attempt to modify the product in any way such as drilling, grinding or painting will void the warranty.
• This warranty is not valid for “abused” or neglected products, or products that are damaged by improper installation.
• If a defect is found, our entire liability and your sole remedy shall be, at our option, free repair or replacement of thePraxis product.
• Except as expressly required by law, Praxis Works shall not be held liable for any indirect, special, or consequential
damages.
THIS WRITTEN EXPRESS WARRANTY IS IN LIEU OF ALL OTHER WARRANTIES, IMPLIED OR EXPRESSED. This warranty
gives you specific legal rights, and you may also have other rights which vary state to state. For more information onwarranty policy and instructions for completing a warranty claim, check out the Full Warranty Policy found at our website. www.praxis-works.com
Note: specifications are subject to change without notice. © APRIL 2021 by Praxis Works, LLC

Rev C

RIGHT/NON-DRIVE

LEFT/DRIVE

Dust Cover Setup Chart
Crank Type

LEFT/NON DRIVE

RIGHT/DRIVE

RH Cup Spacer

Shimano Road

Shimano Dust Cover

Shimano Dust Cover

None

Praxis Works, LLC 207 MCPHERSON ST. SUITE E. SANTA CRUZ, CA 95060

www.praxis-works.com

1. PREP
1 Add grease or anti-seize to theframe threads2 Add grease or anti-seize to the BB

3 Place dust covers over thecup threads

REFERENCE - FRAME BB SPECS

bearings in both BB cups

Add Grease orAnti-seize

2. INSTALL
1 Use the Praxis #TP-2400 BB tool for installation: notethe directional arrows on the BB cups

2 Thread the Right-hand cup into the Right-hand (Drive)side of the frame

3 Thread the Left-hand cup into the Left-hand (Non-drive)

Torque to40Nm

REQUIREDPraxis #TP-2400 BB Toolside of the frame

4 Tighten each cup to 40Nm of torqueNow install your Shimano crankset using Shimano’s crankset instructions

W W W. P R A X I S C Y C L E S . C O M / M A N U A L S