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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 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 | ✔ |