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RRP ¥69,460from ¥53,136
The HollowTech II 10-speed Dura-Ace chainset offers the optimum balance of light weight and rigidity, making it the global choice for road racings 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 by trimming unnecessary material. The ultimate aluminium chainset, even lighter than many carbon chainsets.
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