DURA-ACE HOLLOWTECH II Road Crankset 2x11-speed

FC-R9100

DURA-ACE_R9100_m

FC-R9100

DURA-ACE - HOLLOWTECH II - Road Crankset - 2x11-speed

The choice of the world's best climbers, sprinters, and time trialists, the DURA-ACE R9100 crank drops weigh while maximizing power transfer. The new design, and its iconic look, is adapted for race specific disc brake systems while still offering a wide range of gearing and crank arm length options.

  • Optimum power transfer
  • Best balance for lighter weight (-7g) and efficiency
  • New designed crank arm
  • Maintains high rigidity and reduces weight
  • HOLLOWGLIDE
  • 4-arm construction crankset
  • Adapted for race specific disc brake system
  • Shorter length of rear center with O.L.D.135mm
  • Redesign the gear teeth profile to fit wider gear pitch
  • Rider tuned gearing options
  • Iconic design

TECHNOLOGIES

PRODUCT SPECIFICATIONS

MODEL NO FC-R9100
SERIES DURA-ACE R9100 Series
Color Series color
Average weight 650 g (55-42T), 642 g (54-42T), 626 g (53-39T), 624 g (52-36T), 614 g (50-34T)
   
HOLLOWTECH II Technology
Threaded BB shell width_70mm
Chain line (mm) 43.5
Chain ring combination 55-42T, 54-42T, 53-39T, 52-36T, 50-34T
Compatible BB type_Outboard
Compatible chain HG-EV 11-speed, HG-X11
Crank fixing bolt included
Crank arm length (mm)_165.0
Crank arm length (mm)_167.5
Crank arm length (mm)_170.0
Crank arm length (mm)_172.5
Crank arm length (mm)_175.0
Crank arm length (mm)_177.5
Crank arm length (mm)_180.0
Gear arms 4
HOLLOWGLIDE
HOLLOWTECH Technology
Optional chain guard_Without chain / bash guard
P.C.D. (mm) 110
Rear speeds 11
Recommended BB_Pressfit SM-BB92-41B
Recommended BB_Threaded (normal) BB-R9100
Technology HOLLOWTECH BB | HOLLOWTECH II
Threaded BB shell width_68mm
Q-factor (mm) 146

SERIES LINE-UP

  • Bottom Bracket DURA-ACE Press Fit Bottom Bracket 86.5 mm shell width
  • Cassette Sprocket DURA-ACE 11-Speed Road Cassette Sprocket
  • Wheel DURA-ACE C60 Tubular Disc Brake Rear Wheel
  • Pedal PD-R9100

REPLACEMENT PARTS

  • Chainring Chainring 55T for FC-R9100/FC-R9100-P
  • Chainring Chainring 54T for FC-R9100/FC-R9100-P
  • Chainring Chainring 53T for FC-R9100/FC-R9100-P
  • Chainring Chainring 52T for FC-R9100/FC-R9100-P