Enduro Specialty Headset Cartridge Bearings.
- Sealed chromium steel bearing with black oxide treatment on the outer surfaces of the bearing races
- AB-2050 is the upper headset bearing for Trek Speed Concept frames and has dimensions 14.2x25x6.5mm, 45x45 deg
- AB-2052 is the lower headset bearing for Trek Speed Concept frames and has dimensions 27.1x38x6.5mm 36x45 deg
- AB-2054 fits Felt TT frames and has dimensions 19x30x6.5mm 36x45 deg
|Description:||ACB 6804 black oxide|