The BlackBearing B543 headset is designed for Cannondale frames equipped with a Fatty, Super Fatty, Lefty or Silk fork. Its 2RS double-lip system ensures optimal sealing against moisture and dust for increased durability, while offering low friction.You will need to use a caliper to measure the dimensions of the bearing you want to replace to ensure that the BlackBearing B543 is compatible with your bike, taking the angle into account as well.
Features
- Steel bearing
- 2RS seals: double lip, long-lasting performance with less friction - Black Oxide treatment: improved corrosion resistance- High-quality "abec 5" balls
- Bearing height: 7.14 mm
- Internal bearing diameter: 39.7 mm
- External bearing diameter: 50.8 mm
- Angle: 90° internal, 90° external
- For 1"/8 fork pivot
Bearing sold individually.
