Shimano 10-speed triple chainset

FC-6703 Ultegra 10-speed HollowTech II chainset, 52 / 39 / 30T

The HollowTech II 10-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 the CN7900 and CN6700 chains for increased contact to provide greater efficiency and improved power transfer

Industry leading HollowTech II cold forged hollow crank arms have been evolved to increase rigidity, reduce weight and improve strength

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

Weight including bottom bracket 892 grams