Shimano Ultegra FC-R8100 Ultegra 12-speed double chainset; 46 / 36T 175 mm

SKU: FCR8100E66

£204.00 ~~£299.99~~

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Ratio: 46/36T

50/34T 52/36T 46/36T

Crankarm Length: 175mm

160mm 165mm 170mm 172.5mm 175mm

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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
HollowTech II integrated bottom bracket seal design has minimal bearing interface ensuring smooth rolling and increased durability(sold separately)

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