9728T XD/XDR Freehub Body for Hammer and H2/3 Direct Drive Trainers

This Saris freehub body is designed to let you use XD and XDR cassettes on compatible Hammer and H2/3 direct drive trainers. It is a practical upgrade for riders who want to expand their cassette options without changing trainers.

• Compatible with Saris Hammer and H2/3 direct drive trainers.
• Allows use of XD and XDR cassettes.
• Genuine Saris replacement part for trainer compatibility.
• Simple solution for riders using SRAM-style cassette bodies.