SHIMANO FC-R8100 Ultegra 12-speed double chainset :: £299.99 :: Gears & Transmission :: Chainsets

Options	50 / 34 teeth 165 mm Grey (Item# 4550170893996 FCR8100A04) Out Of Stock 52 / 36 teeth 165 mm Grey (Item# 4550170893781 FCR8100A26) Out Of Stock 50 / 34 teeth 170 mm Grey (Item# 4550170894108 FCR8100C04) In Stock (Warehouse) 52 / 36 teeth 170 mm Grey (Item# 4550170894092 FCR8100C26) Out Of Stock 50 / 34 teeth 172.5 mm Grey (Item# 4550170894085 FCR8100D04) In Stock (Warehouse) 52 / 36 teeth 172.5 mm Grey (Item# 4550170894054 FCR8100D26) In Stock (Warehouse) 50 / 34 teeth 175 mm Grey (Item# 4550170894009 FCR8100E04) In Stock (Warehouse) 52 / 36 teeth 175 mm Grey (Item# 4550170893729 FCR8100E26) In Stock (Warehouse) 50 / 34 teeth 160 mm Grey (Item# 4550170893743 FCR8100M04) In Stock (Warehouse) 52 / 36 teeth 160 mm Grey (Item# 4550170893934 FCR8100M26) In Stock (Warehouse)
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 (Item# 4550170893996 FCR8100A04) Out Of Stock
52 / 36 teeth 165 mm Grey (Item# 4550170893781 FCR8100A26) Out Of Stock
50 / 34 teeth 170 mm Grey (Item# 4550170894108 FCR8100C04) In Stock (Warehouse)
52 / 36 teeth 170 mm Grey (Item# 4550170894092 FCR8100C26) Out Of Stock
50 / 34 teeth 172.5 mm Grey (Item# 4550170894085 FCR8100D04) In Stock (Warehouse)
52 / 36 teeth 172.5 mm Grey (Item# 4550170894054 FCR8100D26) In Stock (Warehouse)
50 / 34 teeth 175 mm Grey (Item# 4550170894009 FCR8100E04) In Stock (Warehouse)
52 / 36 teeth 175 mm Grey (Item# 4550170893729 FCR8100E26) In Stock (Warehouse)
50 / 34 teeth 160 mm Grey (Item# 4550170893743 FCR8100M04) In Stock (Warehouse)
52 / 36 teeth 160 mm Grey (Item# 4550170893934 FCR8100M26) In Stock (Warehouse)

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.