crank length

  1. BMWzenRider

    Changing Drive Gearing & Crank Length on Bosch Gen-4 CX system.

    I posted this in the Riese & Müller Forum, and then realized that it might be a good idea to drive traffic from here to help answer my questions, since it is primarily about the Bosch software/programing, and how it will interact with the changes I have made and plan to make. Here is the link...
  2. BMWzenRider

    Changing crank length and primary gear reduction on Rohloff/Gates equipped 2021 Homage GT with Class-1 CX Gen-4 motor.

    Tech Warning: This post has numbers and spreadsheets involved! ;) I am going to be changing the primary gear reduction of my Gates belt drive, and need to know if my proposed changes will require any changes to the programming of the Bosch software/firmware? I bought the standard Class-1...
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