- SRAM XD compatible with cassette adapter included
- SRAM XDR compatible without spacer
- Works with Hammer, H2 and H3 trainers
- 12-speed systems cannot be used with the H3 Direct Drive Smart Trainer, as well as the CycleOps Hammer and H2.
SKU: 9728T
Direct Drive XD/XDR Freehub
$69.99
XD driver that works with Saris H3, and CycleOps Hammer & H2 trainers.
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