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
PRODUCT SPECIFICATIONS
MODEL NO - SM-BB72-41
SERIES - SHIMANO 105 R7000 Series
Average weight - 69 g
Press-Fit BB shell width_86mm - X (SM-BB72-41B)
HOLLOWTECH II BB_Press-Fit type ✔
Small ball bearing ✔