Oval 110 BCD Asymmetric 4-Bolt Chainrings for Shimano GRX Cranks Tooth Profile:Drop-Stop ST See installation instructions for details

See installation instructions for details on installing pogies

MATERIAL DESCRIPTION75% Polyester

Available in two sizes

It is compatible with the Park Tool CRS-15

but it is extremely water- and weather-resistant

Oval 110 BCD Asymmetric 4-Bolt Chainrings for Shimano GRX Cranks Tooth Profile:Drop-Stop ST See installation instructions for detailsThese chainrings are for Shimano GRX cranks. They feature our patented Drop Stop design for the best wear life, chain retention, and mud clearance. Drop Stop ST is specifically for the Shimano 12 speed Hyperglide+ chain, which is used by GRX 12 speed. Drop Stop B works with all other 9, 10, 11, and 12 spd chains, including SRAM Flattop. Compatibility Aero chainring available in 46T. Sizes 38T and 42T are non aero. Shimano GRX cranksets including RX600