Ridea Steel 1.37 track cog, machined by bulletproof steel for longevity.
Standard track thread fits most of the track bike hubs or flip-flop hubs (lock ring not included)
15T, 1.37 x 24 TPI
Ridea Steel 1.37 track cog, machined by bulletproof steel for longevity.
Standard track thread fits most of the track bike hubs or flip-flop hubs (lock ring not included)
15T, 1.37 x 24 TPI