Pro 4 Freehub Assembly XX1/XD

The Hope Pro 4 Freehub Assembly XX1/XD Driver is a precision-engineered replacement freehub designed for use with Hope’s Pro 4 rear hubs. Specifically made to accept Sram XD Driver Cassettes, this freehub body delivers reliable engagement, crisp shifting performance, and long-lasting durability, all in a lightweight, high-quality package.

Hope Hub Spare
For Pro 4 Hub
Hope Part No. HUB537