Trainer Axle, Focus R.A.T. M12 x 142/148mm (TRA214.F)
The Robert Axle Project Trainer Axle adapts Focus bicycles equipped with R.A.T. thru axles, in 12x142 or Boost 148mm spacing, to wheel-on trainers from 1up, Blackburn, Cyclops, Kinetic, Tacx, Wahoo and similar brands. It threads into the dropout in place of the factory R.A.T. axle, letting a Focus frame sit securely in most resistance trainer frames without extra adapters or tools.
This threaded thru axle provides more consistent clamping force than the stock R.A.T. system, which helps prevent disc brake rub when the bike returns to outdoor riding. Each axle ships with a replacement R.A.T. nut, so the original hardware stays intact for regular use. Claimed weight is 0.236 lbs, keeping the setup light and easy to store alongside other trainer accessories.
Quick Facts
| Feature | Specification |
|---|---|
| Compatibility | Focus R.A.T. thru axle bikes (12x142 or Boost 148mm) to wheel-on trainers (1up, Blackburn, Cyclops, Kinetic, Tacx, Wahoo and others) |
| Included parts | Replacement R.A.T. nut |
| Axle type | Threaded thru axle |
| Claimed weight | 0.236 lbs |
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