Oval 110 BCD Asymmetric 4-Bolt Chainrings for Shimano GRX Cranks new2020 and our ICS MTT suspension

and our ICS MTT suspension stem

5 Half sizes

as well as on right and left sides

LARGE - 9-11

Oval 110 BCD Asymmetric 4-Bolt Chainrings for Shimano GRX Cranks new2020 and our ICS MTT suspensionThese 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