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Shimano Dura Ace Double 7900/7950 10Spd Chainset
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- Shimano has raised the bar to a new level of 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- 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 Cn7900 chain for improved 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- Weight including bottom bracket 725g- Bottom bracket cups sold seperately
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- Weight including bottom bracket 725g- Bottom bracket cups sold seperately
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