Shimano Crank Chainset Ult 6703 52/39/30 175 GY

Industy 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 armlengths are available to meet the needs of all riders and racing disciplines HollowTech II integrated bottom bracket uses a widerbearing 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 785 grams