The HollowTech II 11-speed Dura-Ace 9000 road chainset sets new standards for both low weight and rigidity, making it the global choice for road racing's elite riders. Through its unique compact and distinctive four-arm design, which has precisely where the maximum intensity, where the greatest loads occur, and by the Hollowtech II technology uses the FC-9000 crankset a new standard in terms of stiffness and low weight. These industry leading HollowTech II cold forged road hollow crank arms have evolved to increase rigidity, reduce weight, and improve strength for road riding. The new four arm design actually delivers the same stiffness but with less weight, putting strength only where it's needed. Shimano has raised the bar to a new level of road performance with the development of a hollow outer chainring, giving vast improvements in rigidity and increased weight savings. The hollow outer chainring has essentially removed outer chainring flex, hugely improving shift performance making it precise even under high load. The chainring teeth have been developed to work only in conjunction with the CN9000 chain for improved contact providing more efficiency and improved power transfer. There are a wide range of chainring ratios and crank arm lengths available enabling customisation for all riders and racing disciplines. The HollowTech II integrated bottom bracket design uses a wider bearing placement and larger axle diameter for increased stiffness and efficiency. The bottom bracket's seal design has a minimal bearing interface giving superbly smooth rolling and increased durability. Optimum power transfer & lighter weight maintains efficiency New chain guide design to reduce chain drop 4-arm construction crankset maintains high rigidity and reduces weight Hollowglide chainrings maintain smooth shifting whilst reducing weight and increasing stiffness 110mm Pitch Circle Diameter for both compact and regular versions making gear ratio changes easy 50-34T/53-39T/54-42T/55-42T/52-36T/52-38T (New combination) Weight: 683g (53-39T, with Bottom Bracket)
|Dura-Ace 9000 Chainset Specification|
|Chainsets Type||11 speed, Double Chainring|
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Not the right crankset for you? Why not check out the rest of my chainset deals, where you can compare prices for all of the most popular road & MTB chainsets, as well as find awesome deals on some lesser known models too! I've included sizes (crank lengths), weights, number of chainrings and teeth, and finally the intended use (where appropriate), so you can ensure that the model you choose will fit both your bike and riding style.
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Shimano are a Japanese manufacturer primarily known for their cycling components, and to a lesser extent shoes and clothing. Founded in 1921, Shimano is widely believed to be the largest cycling component manufacturer in the world, having reached this status through a combination of innovation, reliability and value for money. Whatever your style of riding, whether it be road or MTB, Shimano will have a component range to suit your level and budget, from the low end Alivio and Tiagra to the professional standard XTR and Dura-Ace. Over the years, Shimano have revolutionised bicycle gear, brake and pedal systems, such as the recessed SPD, Hollowtech crank arms and smooth shifting Hyperglide sprockets. Initially their component range faced competition from Suntour, whereas nowadays their primary rivals for market share are SRAM and Campagnolo. If you wish to save money on their components and apparel, please visit my Shimano section, where I list as many money saving deals as I can find.
For additional information on Shimano's cycling equipment, please visit either http://cycle.shimano-europe.com/ or their wikipedia page - this includes information on Shimano's history, including non-cycling equipment.