Bontrager Rapid Drive 54 Boost Rear Hub

Whether it's a custom build or just a replacement, these hubs are the foundation for a high-quality wheelset.

Product details
- Rapid Drive 54 hub quickly and efficiently transfers effort into forward momentum
- Wheels are upgradeable to 108 points of instant engagement
- Bontrager rear hub for use with 148mm dropouts
- Flange diameter: 58mm
- NDS flange offset: 35.5mm
- DS flange offset: 21.5mm
- 28 hole, 6-bolt rotor