Shimano GRX 600 2x11 Speed ChainsetThis high-quality crankset is perfect for gravel riding as it gives you a wider gear range for long tours and unknown terrain. It features optimum gearing for mixed riding styles and terrains, so you can explore further than before with powerful acceleration and smooth shifts. Whether you're riding on rough roads or through gravel and mud, this superb model will allow you to achieve a unique sense of accomplishment. Features: Material: Alloy Speed: 11 speed Use: Gravel, Road Chainline: 46.9mm Compatible Chain: HG-EV 11 speed, HG-X11 Arm: 4-arm BCD: 110/80mm Recommended Bottom Bracket: Pressfit: BB-RS500-PB; Threaded: BB-RS500 Q-factor: 151mmTechnologies: 2-Piece Crankset: Integrated crank arm and bottom bracket. Increased rigidity with less weight. Wider bearing positioning. Rigidity is enhanced and pedalling force is efficiently transmitted. Precision Bearings. Low maintenance and simplified installation. A 2-year warranty is offered with all Shimano products from Chain Reaction Cycles (3 years on Dura-Ace and XTR products).Buy Shimano Components from Chain Reaction Cycles, the World's Largest Online Bike Store.