ACS MainDrive Freewheel

ACS MainDrive Freewheel

Regular price $10.00 USD Sale

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.


  • 16T
  • 1/8” chain
  • English threads, 1.37” x 24tpi
  • 136g