Press-Fit Type Bottom Bracket

ULTEGRA_6800

SM-BB72-41B

ULTEGRA_6800

SM-BB72-41B

Press-Fit Type Bottom Bracket

  • FEATURE
    • Lightweight maintains efficiency
    • Combined with FD-6800 chain guide design to reduce chain drop
    BENEFIT
    • Optimum power transfer
    • DURA-ACE proven 4-arm design: Same stiffness and lighter weight
    • 14g 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: 691g (FC-6800, 53-39T, w/o BB) 684g (FC-6800, 52-36T, w/o BB) 676g (FC-6800, 50-34T, w/o BB) 671g (FC-6800, 46-36T, w/o BB) 77g (SM-BBR60) 63g (SM-BB72-41B)

TECHNOLOGIES

PRODUCT SPECIFICATIONS

MODEL NO SM-BB72-41B
SERIES SHIMANO ULTEGRA 6800 Series
Average weight 63g
Press-Fit BB shell width_86mm X
Bike Type Comfort
HOLLOWTECH II BB_Press-Fit type X
Small ball bearing X

SERIES LINE-UP

  • Brake BR-6800
  • Brake BR-6810-F
  • Brake BR-6810-R
  • Brake BR-6810-RS