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Replacing Bottom Bracket Torque Sensor

Biktrix Help CenterOwnerMaintenance & FixesInstallation, Removal & Replacement

Introduction

The torque sensor on some Biktrix eBikes is integrated into the bottom bracket of the bike. If this part fails replacement may be necessary to regain your pedal assist capabilities.


Tools required:

  • 8mm Allen Key

  • 15mm Flat Wrench

  • Crank Arm Puller

  • Bottom Bracket Removal Tool x 2

  • Ratchet/Breaker bar/adjustable wrench to attach Bottom Bracket Removal Tool to x 2

  • Large Adjustable Wrench x 2

  • Wire Hook

  • Wire Snips/Cutters for zip-ties

  • Replacement Zip Ties

  • Bike Parts Grease (Biktrix recommends Park Tool Polylube 1000 - #PPL-1)

Step 1

  • Remove the chain from the chainring. To do this shift the bike to the largest gear. Push the derailleur forward. Then remove the chain from the chainring of the bike taking advantage of that slack.