Shimano FC-7900 Dura-Ace HollowTech II Chainset

Product Code: 123266
£ 399.99 GBP


  • Grey/Silver


  • 170mm
  • 172.5mm
  • 175mm
  • 177.5mm
  • 180mm


  • 55/42T
  • 54/42T
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Product Description

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

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  • 4/5 Stars
  • 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 CN-7900 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 725grams