Shimano

Shimano Ultegra R8100 12 Speed Chainset

£239.95 GBP

~~£299.99 GBP~~ £239.95 GBP

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Ratio 165mm 34/50T 170mm 34/50T 170mm 36/52T 172.5mm 34/50T 172.5mm 36/52T 175mm 34/50T 175mm 36/52T

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The HollowTech II 12-speed Ultegra chainset offers an ideal balance of light weight and stiffness, making it the perfect choice for both enthusiast and competitive riders
HollowGlide hollow outer chainring gives vast improvements in rigidity by virtually removing outer chainring flex and hugely improves shift performance, even under high load
The chainring teeth have been developed to work in conjunction with 12-speed HG chains for increased contact to provide greater efficiency and improved power transfer
Industry leading HollowTech II cold forged 4 arm hollow cranks have been evolved for maximum rigidity while reducing weight
Wide gear pitch spacing increases clearance between chain and leading teeth to provide compatibility to frames with O.L.D. 135 / 142 mm
A wide range of chainring options and crank arm lengths are available to meet the needs of all riders and racing disciplines
HollowTech II integrated bottom bracket uses a wider bearing placement and larger axle diameter for increased stiffness and efficiency
Optimal balance of stiffness, strength, weight and rotational performance
Weight: 700g

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