110bcd oval Drop-Stop B single chainring compatible with Shimano GRX RX600 and RX810 crankset.Features:-10% ovalityBcd:11 0mm.Weight according to sprocket set:38t - 72g.42t - 92g.46t - 102gChain line:50mm.(same as Shimano GRX chainrings)Colour:BlackMaterial:Aluminium 7075-T6Made in USACompatibility:-Compatible with Shimano GRX cranks including RX600 and RX810.Wolf Tooth`s patented Drop-Stop wide/narrow tooth profile provides maximum chain retention and sludge removal.Drop-Stop B chain compatibility:compatible with all SRAM Eagle, SRAM Road and Transmission (T-Type) Flattop chains, 9, 10 and 11-speed or KMC 12-speed chains, Connex, Wippermann, Campagnolo.*NOT compatible with Shimano 12v chains.