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.
FEATURES
- 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
PRODUCT SPECIFICATIONS
| MODEL NO | SM-BB72-41 |
|---|
| SERIES | SHIMANO 105 R7100 Di2 Series |
|---|
| Average weight | 69 |
|---|
| HOLLOWTECH II bottom bracket|Press-Fit type | ✔ |
|---|
| Press-Fit bottom bracket shell width (mm)|86.5 | X (SM-BB72-41B) |
|---|
| Small ball bearing | ✔ |
|---|
