Bottom Bracket

DURA-ACE_R9100_m

BB-R9100

DURA-ACE_R9100_m

BB-R9100

Bottom Bracket

  • BENEFIT
    • Bottom bracket with small ball bearings for lightweight
    • Advanced seal construction for smoother rotation

TECHNOLOGIES

PRODUCT SPECIFICATIONS

MODEL NO BB-R9100
SERIES DURA-ACE R9100 Series
Average weight 65 g
Threaded BB shell width_70mm X
HOLLOWTECH II BB_Threaded BB type X
Small ball bearing X
Threaded BB shell width_68mm X

SERIES LINE-UP

  • Front Derailleur Adapter Band Adapter
  • Disc Brake Rotor CENTER LOCK Disc Brake Rotor
  • Wheel Pro-tour’s race pick
  • Brake Dual-Pivot Brake Caliper