- Engineered, manufactured and assembled in Portland, Oregon USA
- Legendary made-in-house bearings
- Patented GripLock® retention design for dependable headset adjustment (US Patent 8662517)
- 42mm 45x45 upper bearing for 6.85-7.05mm bearing ream depth.
- 52mm 45x45 lower bearing
- Compatible with our included baseplate and 45 degree integrated crown races