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 performance.
• The Shimano RX820 GRX is a cornerstone of reliable, adaptable performance. Whether navigating challenging gravel trails or cruising on varied terrains, this chainset ensures smooth, stable gear changes and exceptional control. Its rugged reliability and optimised ergonomics set it apart, offering an unmatched riding experience.
• Crank arm material: Aluminium
• Chainring material: Aluminium
• Axle material: steel
• Tooth: 40T or 42T
• Crank arm length: 170mm, 172.5mm or 175mm
• Axle Diameter: 24mm (for use with HollowTech II type bottom brackets)
• Supplied OE
• Use: Gravel, Road