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Shimano Ultegra FC-R8100 Ultegra 12-speed double chainset; 46 / 36T 175 mm
By Shimano
SKU: FCR8100E66
£239.99
£299.99
Unit price
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Description
- 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)