Discover the Shimano RX820 GRX Single 12-Speed Chainset the ultimate solution for riders seeking the ideal balance between weight, efficiency, and versatile gearing for mixed-terrain adventures. Engineered for gravel, this chainset stands out in the world of cycling components.The Shimano RX820 GRX Single is not just another chainset; it's your ticket to a seamless riding experience. Here's why:Optimised Gearing: Choose from 40T and 42T chainrings, paired with 10-45T or 10-51T cassettes, for precise gear steps or expansive range.Custom Fit: Available in 170, 172.5, and 175 mm crank arm lengths, ensuring a perfect match for your riding style.Gravel-Specific Design: GRX ergonomics provide enhanced control on mixed terrains.Advanced Technology: HollowTech II 12-speed setup offers superior efficiency and compatibility with Hyperglide+ chains.Durable Construction: Anodized aluminium crank arms and a lightweight chainring, supported by a 4-arm, 110 mm bolt circle diameter for lasting perfo