Shimano Dura-Ace 7900 Double 10sp Chainset

Shimano Dura-Ace 7900 Double 10sp Chainset

Shimano Dura-Ace 7900 10-Speed Double ChainsetWith a unique four-arm spider and Hollowtech II construction putting strength just where it's needed, the Dura-Ace 7900 chainset sets new standards for stiffness and low weight The HollowTech II 10-speed Dura-Ace chainset offers the optimum balance of light weight and rigidity, making it the global choice for road racing's elite riders Please note, Bottom Bracket is NOT included Features: Shimano has raised the bar to a new level ofperformance 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 These industry leading HollowTech II cold forged hollow crank arms have been evolved to increase rigidity, reduce weight, and improve strength The teeth have been developed to work only in conjunction with the CN-7900 chain forimproved contact providing more efficiency and improved power transfer There is a wide range of chainring ratios and crank arm lengths available enabling customisation for all riders and racing disciplines HollowTech II integrated bottom bracket design uses a wider bearing placement and larger axle diameter for increased stiffness and efficiency Bottom bracket seal design has a minimal bearing interface gives superbly smooth rolling and increased durability

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