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
HOLLOWTECH II BB Type Threaded
Small ball bearing X
Threaded BB shell width_68mm X
Threaded BB Shell Width 68, 70

SERIES LINE-UP

  • Chain CN-HG900-11
  • Pedal PD-R9100
  • Chain Super Narrow SIL-TEC HG-X11 Chain (11-speed)
  • Cable Adjuster Inline Shifting Cable Adjuster