Convert your R45 hubs to fit Shimano HG11, HG12, Micro Spline or SRAM XDR cassettes with our Gen 4 conversion kit.

Gen 4 conversion kits include a pre-assembled axle, a freehub body, an adjustment collar and quick-release axle end caps for simple and quick installation. Installation requires a 2.5 mm Allen key and a T10 Torx key.

Compatible with R45 hubs. Serial numbers begin with 631.

Not compatible with Classic hubs.

130 x 9 mm quick-release axle.

Available with stainless steel or ceramic bearings.

Available in silver or black.

For any compatibility questions, please contact info@chrisking.com.