The XD driver that works with Saris H3, and CycleOps Hammer & H2 trainers.
• SRAM XD compatible with cassette adapter included
• SRAM XDR compatible without spacer
• Works with Hammer, H2 and H3 trainers
• For use with SRAM RED and Force eTap AXS™
• 12 speed groups on Saris direct drive trainers