Freewheels - ACS


ACS 17T Main Drive Freewheel 1/2" x 1/8" In stock
Product Code: 2105MD17
2105MD17 2105MD17 2105MD17

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.


  • 17T
  • 1/8” chain
  • English threads, 1.37” x 24tpi