ACS threaded freewheels that are focused on durability for standard thread applications.
- Nickel plated sprocket ring fits 1/8” and 3/32” chains
- Cold forged for high-torque strength, and increased durability
- Three-pawl design provides engagement every 12 degrees (30 steps total)
- Fits standard 1.37" x 24 TPI hub threads
- Removable with Park Tool FR-6 freewheel tool