Shimano FC-RX820 GRX chainset 40T, single, 12-speed, Hollowtech II, 170 mm



  • Shimano GRX, with its gravel specific ergonomics, optimized gearing options, rugged reliability, and quiet and stable drivetrain, sets itself apart from the rest of the component world
  • The HollowTech II 12-speed single chainset offers optimum gearing for mixed terrains and riding styles
  • Designed to work with HollowTech II type bottom bracket cups
  • Compatible with 12-speed Hyperglide+ chains
  • Anodized aluminium crank arms
  • Lightweight aluminium chainring
  • 4 arm, 110 mm bolt circle diameter
  • Colour
  • Discipline
    Gravel & Cyclocross
  • Product Type