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Direct Drive Trainer Freehub
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Direct Drive Trainer Freehub readies smart trainers for 11-speed drivetrains
What Our Gearhead® Experts Are Saying:
"I swapped this onto my H3 so I could keep using my main bike without changing cassettes constantly. It installs easily and meshes cleanly with Shimano and SRAM 11-speed setups—perfect for riders who rotate between indoor and outdoor mileage."
We appreciate indoor setups that mirror our outdoor gearing, and the Direct Drive Trainer Freehub lets us match our drivetrain so every training session feels familiar. Paired with the Saris H3 or older CycleOps direct drive trainers, it provides smooth engagement and reliable shifting, making transitions from road to trainer seamless.
This Hyperglide-compatible freehub accepts Shimano and SRAM 11-speed cassettes, integrating cleanly with most everyday drivetrains. Installation is straightforward, and once in place, it keeps power transfer quiet and consistent through everything from interval sessions to endurance spins. For riders running 12-speed drivetrains, the H3, Hammer, and H2 systems remain incompatible, so this freehub is purpose-built for 11-speed performance.
Details
- Replacement freehub for Saris H3, CycleOps Hammer, and H2 direct drive trainers
- Hyperglide design compatible with Shimano and SRAM 11-speed cassettes
- Provides smooth, consistent indoor shifting and power transfer
- Not compatible with 12-speed systems on these trainers
- Item #SRS1WX7
- Compatibility
- H3 Direct Drive Smart Trainer, CycleOps Hammer, CycleOps H2
- Manufacturer Warranty
- limited lifetime
- Activity
- bike training