Black Bearing is a famous manufacturer of high quality bearing dedicated to bicycle and urban sports. This bottom bracket fit all frames with T47 86/92 mm threading bottom bracket interface and it's compatible with 30 mm spindle cranksets. Each Black Bearing bottom bracket is available in 3 different bearing quality : B5 Bearing, B5 Stainless Bearing or Ceramic Bearing.
Features
- Cups material : Machined aluminium
- Cup installation : Threaded in a T47 Frame
- Frame compatibity : with T47 Thread and 86/92 mm width
- Crankset compatibility :
- 30 mm diameter spindle (Race Face, Rotor, Hope)
- Bearing quality :
- B5
- B5 Inox
- Céramic
- Colour : Black
- Specific installation tool included
Bearing features
- Seal « 2RS » : Bearing with rubber seal on both sides that provides a better seal with optimized rolling friction
- Rectified Ball bearing groove to reduce friction and increase life time
- High quality inner lube
- High quality ball bearing (ABEC 5)
- Ball bearing reatainer: steel cage
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