DEMONSTRATION PRODUCT ONLY
This is a demonstration store. You can purchase products like this from Pure Fix Cycles
Click, click, grrrrrrr. Whether your bike’s a modern marvel or a cult classic, when it’s time to replace the freewheel, the ACS MainDrive will have you back to coasting contentedly in no time.
- 1/8” chain
- English threads, 1.37” x 24tpi