Shimano Dura-Ace 9000 Chainset 50-34
With a unique four-arm spider and Hollowtech II construction putting strength just where it's needed, the Shimano Dura-Ace 9000 50-34 chainset sets new standards for stiffness and low weight.
The chainset is 11-speed compatible and the same crankarms will fit all chainrings with the same bolt circle diameter for both compact and standard double chainsets.
Features
- New 4-arm design for same stiffness with lighter weight
- Hollowtech II construction
- Hollowglide chainrings
- 11-speed compatible
- Same bolt circle diameter for compact and traditional double chainsets means that one crankarm fits all chainring sizes
- Chainrings: 50-34T
- Crank arm lengths: 165/167.5/170/172.5/177.5/180mm
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