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 (55-42T) 642 (54-42T) 626 (53-39T) 624 (52-36T) 614 (50-34T)
   
Threaded bottom bracket shell width (mm)_70
Chainring combination 55-42T 54-42T 53-39T 52-36T 50-34T
Compatible bottom bracket type_Outboard
Crank fixing screw included
Crank arm length (mm)_165
Crank arm length (mm)_167.5
Crank arm length (mm)_170
Crank arm length (mm)_172.5
Crank arm length (mm)_175
Crank arm length (mm)_177.5
Crank arm length (mm)_180
Spider/Gear arms 4
HOLLOWGLIDE
HOLLOWTECH II
HOLLOWTECH crank arm
Optional chain guard_Without chain/bash guard
Recommended bottom bracket_Press-fit SM-BB92-41B
Recommended bottom bracket_Threaded (normal) BB-R9100
Technology HOLLOWTECH BB | HOLLOWTECH II
Threaded bottom bracket shell width (mm)_68
Q-factor (mm) 146
Chain line (mm) 43.5
Compatible chain HG-EV 11-speed, HG-X11
P.C.D. left / right (mm) 110
P.C.D. (mm) 110
Rear speeds 11

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 C24 Clincher Front Wheel
  • Wheel DURA-ACE C24 Clincher Rear Wheel

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