Freewheel body suitable for Zipp ZR1 disc brake and rim brake rear hubs.
- Material Aluminum
- Axle type 12x142 mm thru-axle or 5x135 mm quick release
- Compatible hubs Zipp ZR1 hubs (disc and rim brake version)
- Bearings Stainless Steel
- Compatibility Shimano HG 11/12sp, SRAM XDR 12sp


