DURA-ACE HOLLOWTECH II Road Crankset 2x11-speed

FC-R9100

DURA-ACE HOLLOWTECH II Road Crankset 2x11-speed

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.

FEATURES

  • 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

PRODUCT SPECIFICATIONS

MODEL NO FC-R9100
SERIES DURA-ACE R9100 Series
Color Series color
Average weight 614 (50-34T) 624 (52-36T) 626 (53-39T) 642 (54-42T) 650 (55-42T)
Rear speeds 11
Compatible chain LINKGLIDE, HG 11-speed
Chain line (mm) 43.5
P.C.D. left / right (mm) 110
P.C.D. (mm) 110
Spider/Gear arms 4
Chainring combination 50-34T 52-36T 53-39T 54-42T 55-42T
Q-factor (mm) 146
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
Optional chain guard|Without chain/bash guard
HOLLOWTECH II
HOLLOWTECH crank arm
HOLLOWGLIDE
Compatible bottom bracket type|Outboard
Recommended bottom bracket|Threaded (normal) BB-R9100
Recommended bottom bracket|Press-fit SM-BB92-41B
Threaded bottom bracket shell width (mm)|68
Threaded bottom bracket shell width (mm)|70
Crank fixing screw included

TECHNOLOGIES

Manuals & Technical Documents