FW SINGLE BOX TWO 18T BK

Box Two Freewheels combine durability with lightning-fast engagement

Tested extensively by the Dutch National BMX Team, Damien Godet, Kory Cook, and numerous other elite racers

Features 9 super durable pawls and chromoly construction

Compatible with 1/2` and 3/32` chains

1.375 x 24 TPI hub threading