Description
The SunRace BBS 15 sealed cartridge bottom bracket provides consistent, low-maintenance support for square taper cranksets. The sealed cartridge design keeps contaminants out, helping maintain smooth rotation and long service life.
This bottom bracket fits frames with a 68mm BSA threaded shell (BC 1.37″ × 24 TPI) and uses a 103mm spindle, making it suitable for many compact and double crankset setups where accurate chainline matters. Installation stays straightforward and secure—perfect for repairs, refurb builds, and workshop stock from SunRace.
This item is New Old Stock and boxed. It’s unused, factory packed, and ready to fit—offering excellent value without compromising reliability.
Key Features:
- SunRace BBS 15 bottom bracket
- Square taper crank compatibility
- 68mm shell width
- 103mm spindle length
- BSA / BC 1.37″ × 24 TPI thread
- Sealed cartridge bearings for low maintenance
- Condition: New Old Stock (boxed, unused)
Details
| Bike Type | Commuter, Cruiser, Gravel, Hybrid, Mountain (MTB), Race, Road, Tandem, Touring, Track, TT, Women’s |
|---|---|
| Product Type | Bottom Brackets |
| Size/Fit | 103mm, 68mm, BSA |


