Replacement freehub body for I9 Hydra, I9 1/1, Crankbrothers Ratchet, and Crankbrothers 3-pawl base-model hubs
I9 Hydra freehubs available in Shimano HG, Shimano Microspline and SRAM XD
I9 1/1 freehubs available in Shimano HG, Shimano Microspline and SRAM XD
Crankbrothers Ratchet freehubs available in Shimano HG, Shimano HG Road, Shimano Micro Spline, SRAM XD, and SRAM XDR
Crankbrothers 3-pawl base-model freehubs available in either steel or alloy material, and Shimano HG, Shimano Micro Spline, Shimano HG Road, SRAM XD, and SRAM XDR (Gravel, XCT and Enduro Hubs only)
