ACS 16T Basic Freewheel

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ACS 16T Basic Freewheel Main Drive "Reliable Replacement" freewheels are similar to Original Equipment on most new BMX, fixie, and other single speed bicycles. 2 pawls engaging sim ultaneously every 18°, acceptable for most casual cyclists. Standard single speed chains (1/8") will fit. 3/32" wide chain will not fit. Show more