SHIMANO FC-R8100 Ultegra 12-speed double chainset :: £263.99 :: Components :: Gears - Chainwheel Sets :: Compton Cycles, London Brompton folding bikes specialist

Specifications

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Options	50 / 34 teeth 165 mm Grey Low stock available for click and collect (2 - 3 days) 52 / 36 teeth 165 mm Grey Low stock available for click and collect (2 - 3 days) 50 / 34 teeth 170 mm Grey Low stock available for click and collect (2 - 3 days) 52 / 36 teeth 170 mm Grey Low stock available for click and collect (2 - 3 days) 50 / 34 teeth 172.5 mm Grey Low stock available for click and collect (2 - 3 days) 52 / 36 teeth 172.5 mm Grey Low stock available for click and collect (2 - 3 days) 50 / 34 teeth 175 mm Grey Low stock available for click and collect (2 - 3 days) 52 / 36 teeth 175 mm Grey Low stock available for click and collect (2 - 3 days) 50 / 34 teeth 160 mm Grey Low stock available for click and collect (2 - 3 days) 52 / 36 teeth 160 mm Grey Low stock available for click and collect (2 - 3 days)
Description	FC-R8100 Ultegra 12-speed double chainset, 50 / 34T 165 mm 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)

Options

50 / 34 teeth 165 mm Grey Low stock available for click and collect (2 - 3 days)
52 / 36 teeth 165 mm Grey Low stock available for click and collect (2 - 3 days)
50 / 34 teeth 170 mm Grey Low stock available for click and collect (2 - 3 days)
52 / 36 teeth 170 mm Grey Low stock available for click and collect (2 - 3 days)
50 / 34 teeth 172.5 mm Grey Low stock available for click and collect (2 - 3 days)
52 / 36 teeth 172.5 mm Grey Low stock available for click and collect (2 - 3 days)
50 / 34 teeth 175 mm Grey Low stock available for click and collect (2 - 3 days)
52 / 36 teeth 175 mm Grey Low stock available for click and collect (2 - 3 days)
50 / 34 teeth 160 mm Grey Low stock available for click and collect (2 - 3 days)
52 / 36 teeth 160 mm Grey Low stock available for click and collect (2 - 3 days)

Description

FC-R8100 Ultegra 12-speed double chainset, 50 / 34T 165 mm

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)

As with any product, specification is subject to change without prior notification. You are advised to confirm current specification before buying.