Shimano GRX 38T 172.5mm 12 Speed Bike Single Chainset FC-RX610

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.

• 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 HG chains
• Anodized aluminium crank arms
• Lightweight aluminium chainring
• 4 arm, 110 mm bolt circle diameter

• Product Type: Chainsets
• Speed: 12 Speed
• Discipline: Gravel Cyclocross
• Colour: Black
• Ratio: 38 teeth
• Length: 172.5 mm