The redesigned SHIMANO 105 FC-R7000 crank combines lightweight design and efficiency without compromising stiffness. Its wider gear pitch enhances clearance for small gears on modern 135mm O.L.D. frames. Available in chainring options of 53-39, 52-36, and 50-34T, it also comes in crank arm lengths of 160, 165, 170, 172.5, and 175mm. Made with Hollowtech forged aluminum, the Shimano 105 FC-R7000 Double Chainset is impressively lightweight. Its hollow design reduces flex while keeping the weight low, making it a great upgrade for any bike. The chainring teeth are designed to work with HG-X 11-speed chains, providing better contact for improved efficiency and power transfer. HollowTech II allows for wider spacing of the bottom bracket bearings, accommodating larger bearings and a thicker axle. Features: The chainring teeth have been developed to work in conjunction with HG-X 11-speed chains for increased contact to provide greater efficiency and improved power transfer Can be used with Shimano external or press-fit bottom brackets The system allows for easier installation, adjustment, and maintenance Lightweight anodised SG-X aluminium chainrings for smooth and precise shifting HollowTech II allows the bottom bracket bearings to be spaced wider apart, enabling the use of larger bearings and an increased axle diameter Does not include a bottom bracket Click here for a HG-X 11-speed chain Genuine, brand new, boxed Shimano product - Biketart are an official UK Shimano stockist.