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Trek Prowheel Bottom Bracket

Trek Prowheel Bottom Bracket
This item is currently not available.


Genuine replacement parts
Use original bottom brackets for optimal functionality.

Prowheel: Crank it up!

- Prowheel PW-BB73+
- Shell Width: 68/73mm for MTB
- Compatible with BC1.37"x34T BB Cups with 24mm diameter spindle
- Compatible with Shimano Hollow Tech II cranksets