Shimano Dura-Ace R9100 ChainsetShimano Dura Ace R9100 Chainset The R9100 series crankset achieves the ultimate in optimal power transfer. It does this through its broader Hollowtech II arm and a more reinforced outer chainring on its unique asymmetrical four arm spider construction. The new R9100 cranks set the highest standards for ridity and lightness. Optimum power transfer Best balance for lighter weight ( 7g) and efficiency New designed crank arm HollowGlide technology for
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Shimano Dura-Ace R9100 Chainset
The R9100 series crankset achieves the ultimate in optimal power transfer. It does this through its broader Hollowtech II arm and a more reinforced outer chainring on its unique asymmetrical four-arm spider construction. The new R9100 cranks set the highest standards for ridity and lightness.
Optimum power transfer
Best balance for lighter weight (-7g) and efficiency
New designed crank arm
HollowGlide technology for smooth shifting
4-arm construction crankset
Shorter length of rear centre with O.L.D.135mm
Redesign wider gear pitch
Bottom bracket seal design has a minimal bearing interface gives superbly smooth rolling and increased durability