Shimano GRX 600 10 Speed Gravel Double ChainsetThis exceptional 2-piece chainset is specifically designed for gravel riding as it offers a wider gear range for long tours and unknown terrain. Its optimum gearing makes it incredibly versatile for tackling mixed surface conditions, riding styles and all the challenges that come with adventure riding. This is the ultimate upgrade for riders who want stress-free acceleration and shifting on rough roads, gravel and mud. Features: Use: Gravel, Road Speed: 2x10 speed Chainline: 46.9mm Chain Ring Combination: 46/30T Compatible Chain: HG-10 speed Arm: 4-arm BCD: 110/80mm Recommended Bottom Bracket: Pressfit: BB-RS500-PB; Threaded: BB-RS500 Q-factor: 151mm Technologies: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.