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 weight while maximizing power transfer. The new design, and its iconic look, are adapted for race-specific disc brake systems while still offering a wide range of gearing and crank arm length options.

Shimano warrants to the original retail purchaser that the Shimano bicycle division product for which they received this warranty, is free from non-conformities in material and workmanship for a period of two years and their Dura-Ace and XTR components are covered for a period of three years from the date of original retail purchase. Shimano footwear, soft goods and wheels are warranted for a period of one year.

  • Optimum power transfer
  • The best balance for the lighter weight (-7g) and efficiency
  • Newly designed crank arm
  • Maintains high rigidity and reduces weight
  • 4-arm construction crankset
  • Adapted for race-specific disc brake system
  • A 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
  • MODEL NO: FC-R9100
  • DURA-ACE R9100 Series
  • Series color
  • Average weight: 650g (55-42T), 642g (54-42T), 626g (53-39T), 624g (52-36T), 614g (50-34T)
  • HOLLOWTECH II Technology
  • Threaded bottom bracket shell width (mm)_70
  • Chain line: 43.5mm
  • Chainring combination: 55-42T 54-42T 53-39T 52-36T 50-34T
  • Compatible bottom bracket type_Outboard
  • Compatible chain: HG-EV 11-speed, HG-X11
  • Crank fixing bolt 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
  • HOLLOWTECH Technology
  • HOLLOWTECH crank arm
  • Optional chain guard_Without chain/bash guard
  • P.C.D.: 110mm
  • Rear speeds: 11
  • Recommended bottom bracket_Press-fit: SM-BB92-41B
  • Recommended bottom bracket_Threaded (normal): BB-R9100
  • Threaded bottom bracket shell width (mm)_68
  • Q-factor: 146mm
  • Chain line: 43.5mm
  • Compatible chain: HG-EV 11-speed, HG-X11
  • P.C.D. left / right: 110mm
  • P.C.D.: 110mm
  • Rear speeds: 11
Barcode # 4524667935858
Brand Shimano
Shipping Weight 0.3000kg
Shipping Cubic 0.001000000m3
Unit Of Measure each

Must be installed and serviced by qualified bicycle mechanic

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