C-Bear PF30A Shimano/Rotor 3D/Race Face bottom bracket
Each set of PF30A Shimano/Rotor 3D/Race Face comes standard with:
1. 2x precision CNC aluminium bottom bracket housings/cups
2. 2x dual sealed C-Bear ceramic bearings, R (road/race) or AC (all conditions) ceramic bearings*
3. 2x dust covers
4. 1x sleeve to prevent internal cabling, bleeding hose… from rubbing against the fast spinning axle.
*2 ceramic bearing options since C-Bear inception in 2007 One size does not fit all #leadnotfollow:
1) R (road/race) least friction option or
2) AC (all conditions): Cyclocross/Gravel/MTB ceramic bearings, with added features for additional protection against moisture, debris… wet weather to suit off-road cycling usage.
Also available to pair with:
- 24 (SHIMANO/RACEFACE/ROTOR3D)
- Sram GXP
- Cannondale Hollowgram
- 30 (ROTOR30/EASTON/CANECREEK…)
- Sram DUB
| Bottom Bracket Shell | c-bear ceramic bearings | ||
| Diameter | Width | Material | Installed |
| 46 mm | 73 mm | Precision CNC aluminium cups | √ |