
Bottom Brackets
Propelling BB 30
Press-fit BB fit 46mm diameter suitable for 30mm and Sram DUB 28.99mm in addition with cartridge ball angular contact bearing is your clever decision.


Tapered Profile
Fun 5° bearing technology not only enables automatic coaxialization for improved power output. Its easy maintenance feature ensures that it can operate smoothly for extended periods, while the angular contact bearing further enhances its reliability and longevity.

High-Speed Rolling
By integrating high sphericity steel balls and nano grease, this technology significantly reduces friction and enables high-speed operation, while maintaining exceptional waterproof capabilities. Cyclists can now enjoy a tight and efficient riding experience, regardless of the weather conditions, and achieve better performance and control on a wide variety of terrains.
General
BB Type Press-fit |
Material Aluminum cups |
Bearing Compatibility BBA30 or BBA29 |
Bearing
Bearing Type Fun 5° |
Bearing material Cartridge |
In The Box
30mm Spindle
2 Bottom Bracket cups 2 30 Fun 5° Bearings 2 Dust alloy covers 2 1mm Ø30mm spacers |
29mm Spindle
2 Bottom Bracket cups 2 Fun 5° Bearings 2 Dust covers 2 0.5mm Ø29mm spacers 10 1mm Ø29mm spacers |
Item | Spec | Shell DIA | Shell Width | Crankset | Weight |
---|---|---|---|---|---|
P38630AS | BB386 | 46mm | 86.5mm | 30mm axle crankset | 71.9g |
P38629AS | BB386 | 46mm | 86.5mm | Sram DUB | 73.4g |