Boasting a unique four arm design with a Hollow Tech II construction for added stiffness & reduced weight, the Shimano Dura-Ace FC-9000 Bicycle Chainset 53-39T has Hollow Glide chainrings for smooth & precise shifting, even under a heavy load.
- L.M.
Features: Shimano Dura-Ace FC-9000 Bicycle Chainset 53-39T Four arm design for optimum stiffness & reduced weight Hollow Tech II cold forged hollow crank arms help to improve strength Hollow Glide chainrings improve shifting performance, even under heavy loads Hollow Tech II integrated bottom bracket uses a wider bearing placement & larger axle diameter for increased stiffness & efficiency 11-speed compatible for use with new Dura-Ace 11-speed chain, cassette, shifters & derailleurs Same bolt circle diameter for compact & traditional double chainsets means that one crankarm fits all chainring sizes, allowing for unparalleled customisation