Offering an excellent quality/performance ratio, the Euro PROMAX EX-1 external bottom bracket features sealed bearings for friction-free, watertight pedaling. It features CNC-machined aluminum cups for a better fit inside the bottom bracket. Suitable only for frames with internally threaded bottom brackets designed to accept Euro BSA/BSC-type bottom brackets.
CHARACTERISTICS :
- Type: External Euro
- Housing diameter: 34.5mm
- Shaft diameter: 24mm
- Thread: BSA/BSC
- Width: 68/73mm
- CNC-machined 6061-T6 aluminum bowls
- Sealed bearings
- Weight: 103g
- Sold with 3 spacers
