Sprocket Center - Barnes/ Kosman/ Roland Sands - Flat Track Wheels

Sprocket Center stocks a complete range of race sprockets for flat track wheels using the Barnes quick-change style hubs. These sprockets fit Kosman, A&A and the Roland Sands Traction and Hammer flat track wheels. If you have a questions about wheel fitment or hub dimensions, give us a call.


  • Center Hub - 2.5in
  • Bolt Circle - 3.0in x 8 bolt(M8)