Ceramic Bearing Specification


ProTec Ceramic Bearings

Cryogenic corrosion resistance treatment of the races ensures

G3 balls, C2 clearances.

Unrivalled reliability and performance.



G3 grade silicon nitride –Si3n4 balls fitted to every bearing.


All units hand assembled in the UK.

2 year warranty*  SOLD AS A PAIR 




Bearing type
UCB SuperTEC Premium Hybrid Ceramic Premium UCB ceramic bearings, for both road and mtb use

ProTec Ceramic 6805 Bearings (37x25x7) (PAIR)

  • Brand: UCB
  • Product Code:ProTec Ceramic 6805 Bearings (37x25x7) (PAIR)
  • Availability:99
  • £149.99
  • £109.99