About This Item
The Saris 9728T Direct Drive XD/XDR Freehub is a replacement freehub body compatible with Saris Hammer, H2, and H3 direct drive trainers. It enables the use of XD and XDR cassettes, expanding drivetrain compatibility. Installation is simple—just remove the existing freehub body and replace it with the 9728T to start using your preferred cassette system. This freehub is the perfect upgrade for riders using SRAM XD/XDR systems and looking for a smooth, efficient indoor training experience.
