Replacement freehub for Zipp ZR1 hubs Specification Hub compatibility: Zipp ZR1. Cassette compatibility: Shimano HG. Bearing: Stainless Steel. Brake Compatibility: Disc (12mm thru axle). Speed: 11/12 .
Best Price: £99.99 from Merlin Cycles
Zipp Freehub Kit ZR1 – 11/12 Speed – Black / Shimano / 11-12 Speed / 142×12 Reviews