The Gen 3/4 Freewheel and Torque Sensor Assembly is an integrated torque sensor module that is assembled with the freewheel where the casing is a part of the right side bottom bracket cup.
Compatibility:
- X1 Pro Gen 3 / X1 Pro Gen 4
- X1 Stealth Gen 3
Inclusions:
- Gen 3/4 freewheel
- Gen 3/4 torque sensor
- Gen 3/4 right side bottom bracket cup