Sturmey Archer 15T BMX Freewheel | 1/2 x 3/32 " | M30 x 1mm Thread | Chrome Pol

This freewheel uses thesmaller M30 x 1mm thread size, typically found on15T and smaller BMX freewheel hubs. Tooth Count: 15T. M30 x 1mm Thread. Equivalent Imperial Thread: 1.181" x 25.4 TPI. Many larger freewheels (usually16T and above ) use abigger M34 thread.