Shimano Ultegra - Bottom Bracket - Press Fit - HOLLOWTECH II - 86.5 mm shell width
With reliable SHIMANO bearings and seals, the Shimano Ultegra bottom bracket has a long service life.
- Optimum power transfer
- Lightweight maintains efficiency
- DURA-ACE proven 4-arm design: Same stiffness and lighter weight
- 14 g lighter weight and half the friction of the SM-BB6700, while maintaining the same durability
- Variety choice of gearing: 53-39T/52-36T/50-34T/46-36T
- Weight: 69 g
| MODEL NO |
SM-BB72-41 |
| SERIES |
SHIMANO 105 R7000 Series |
| Average weight |
69 |
| Press-Fit bottom bracket shell width (mm)_86.5 |
X (SM-BB72-41B) |
| HOLLOWTECH II bottom bracket_Press-Fit type |
✔ |
| Small ball bearing |
✔ |
