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

Cranks - 170 , 172.5mm or 175mm

Chainrings - 40T or 42T

All products are sourced from official importers and covered by manufacturers warranty. If you do need to send items back to us please make sure that you retain proof of postage in the event that it is needed. Please feel to contact us on 01304 840673 or email us at info@sprockets.uk.com

Your product is covered by a 12 month Warranty or more if you opted for the extended warranty. Make sure you register your product.