Shimano GRX RX600-1/810-1, GRX FC-RX820-1
Compatible with all 9,10,11-speed chains, 12-speed SRAM MTB (Eagle&T-type), KMC, Shimano HG+, SRAM AXS Flattop chains
Compatible with all 9,10,11-speed chains, 12-speed SRAM MTB (Eagle&T-type), KMC, Shimano HG+, SRAM AXS Flattop chains

