Upgrade or refresh your Bontrager wheels.
- Sold in packs of three for easy upgrades to 108-tooth engagement
- Use 3 pawls/springs for 54-tooth engagement
- Use 6 pawls/springs for 108-tooth engagement
- Springs sold separately
Please note: Manufacturers can sometimes change the specification of the products from time to time.
|Sizes||REAR BOOST 148MM OLD,|