The Shimano Dura-Ace FC-9000 is the crankset at the heart of Shimano's flagship 11-speed road groupset — a compact 50/34T double engineered for riders who demand the best in stiffness, weight, and front-shifting precision. Suited to road racing, gran fondos, and hilly terrain alike, the FC-9000 delivers benchmark performance for 11-speed drivetrains.

Highlights

  • Hollowtech II construction: integrated 24mm hollow steel spindle in the driveside arm maximises stiffness while reducing overall system weight.
  • 4-arm asymmetric spider: 110mm BCD design concentrates material at the power portion of the pedal stroke, matching the rigidity of earlier 5-arm cranksets at lower weight.
  • Hollowglide chainrings: specially profiled teeth engineered for fast, reliable front shifts with Shimano 11-speed chains under load.
  • Improved chain guide: redesigned inner chainring guide reduces chain drop on rough terrain and during hard gear changes.
  • 50/34T compact gearing: versatile ratio for climbing and flat riding, well suited to hilly road events and all-day riding.
  • 175mm crank arm length: suits a wide range of riders and fits standard road bike geometry.
  • Polished finish: silver anodised crank arms with a premium Dura-Ace aesthetic.

Hollowtech II & Hollowglide Technology

The FC-9000 uses Shimano's Hollowtech II platform, forging the driveside crank arm and spindle as a single unit for zero flex at the critical power transfer point. The 4-arm spider design replaces the traditional 5-arm configuration, shaving significant weight without any reduction in torsional stiffness. Hollowglide chainring tooth profiling ensures crisp, quiet front shifts under load — a key advantage for racing and fast road riding where hesitation costs time.

Compatibility & Fit

Speed: 11-speed rear (Shimano HG 11-speed chain)
Chainring size: 50/34T compact
Crank arm length: 175mm
BCD: 110mm (Shimano asymmetric 4-arm)
Spindle interface: Shimano Hollowtech II (24mm hollow steel)
Bottom bracket: Not included — requires a Shimano Hollowtech II-compatible bottom bracket (e.g. BB-5700, SM-BB92 press-fit)
Pedal thread: 9/16" standard

Shimano offers a limited warranty covering defects in materials and workmanship. For warranty support, return the item to Tune Cycles.
  • Shimano Hollowtech II integrated spindle for class-leading stiffness-to-weight performance
  • Asymmetric 4-arm spider at 110mm BCD — lighter than 5-arm without sacrificing rigidity
  • Hollowglide chainring tooth profile for fast, precise front shifts under load
  • Improved chain guide reduces chain drop on rough roads and during aggressive gear changes
  • 50/34T compact gearing — excellent for climbing and varied road terrain
  • Compatible with all Shimano 11-speed Dura-Ace (9000 series) groupset components
  • 175mm crank arm length suits a wide range of road rider builds
  • Premium silver anodised finish
ModelFC-9000
SeriesDura-Ace 9000
Speed11-speed
Chainring sizes50/34T (compact)
Crank arm length175mm
BCD110mm (asymmetric 4-arm)
Spindle interfaceHollowtech II (24mm)
Available chainring combos50-34T, 52-36T, 52-38T, 53-39T, 54-42T, 55-42T
Available crank lengths165, 167.5, 170, 172.5, 175, 177.5, 180mm
Bottom bracketNot included — Hollowtech II compatible
Pedal thread9/16"
ColourSilver
SKU SHM-IFC09EX04A
Barcode # 4550170746988
Brand Shimano

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