6805, 25 ID, 37 OD, 7WD
C-Bear differentiates and offers 2 types of ceramic bearings :
1. Race – least rolling resistence, for dry road conditions
(Friction Facts, an independent lab study, C-Bear came in Top 3 in Bottom Bracket Efficiency test. First place is a bottom bracket with no-seal-bearings, only suitable for indoor racing condition).

2. Cyclocrss/MTB – for riding in puddles and dirt road conditions.
Our special formulated grease and seals are specific to cater these riding conditions.

Type of Dust Covers:
1. C-Bear Dust Cover
For use with C-Bear external threaded BSA/ITA Bottom Bracket.
2. Standard Dust Cover
For use with original Shimano, FSA, Race Face, Rotor Bottom Brackets.
3. Medium Dust Cover
For use with original Shimano, Race Face, Rotor Bottom Brackets.
Please indicate which type of dust covers when ordering.