*Torque sensing TSDZ2b mid-drive motor with OSF Upgrade.
860C display now available!
This motor is flashed with the flexible Open Source Firmware (OSF) for TSDZ2. This firmware is highly programmable and gives complete control over the performance of the TSDZ2 motor.
We are currently flashing TSDZ2 OSF v20.1C.2 This is the most stable and reliable version based upon frequent testing. Click here for a complete features and configuration guide.
Note: All other Electrify Bike Co. TSDZ2 OSF Upgrade products can be found here.
* This TSDZ2 kit is an after market firmware upgrade and is sold without manufacturer warranty. However, Electrify Bike Co. will work with you to resolve any problems or issues that may arise.