Wolf Tooth Shimano 110 Asymmetric BCD Chainring 38t 110 Asymmetric BCD 4 Bolt Drop Stop Flattop For Shimano GRX Cranks BLK CheckoutTitle=Shimano SLX BR M7100 2 Piston Post Mount Disc Brake Caliper Color Gray Range 11 30 Cassette Color Gray Range 11 30 Cassette Cogs 11 12 13 14 15 16 17 19 21 24 27 30 Cassette Body Type Shimano SRAM 11 Speed Road Drivetrain Speeds 12 Weight 223 Defined Color Gray Includes tubeless tape and tubeless valve Drop Stop FT is compatible with all 10 11 and 12 speed chains (including SRAM Flattop 12 speed chains) with the exception of Shimano 12 speed chains Compatible with Shimano GRX cranksets including RX600 and RX810