Wolf Tooth Shimano GRX 110 BCD ChainringThis chainring is engineered for use with Shimano GRX cranks and it features a robust aluminium construction, which makes it perfect at handling all the abuse from longer rides. Wolf Tooth has equipped this model with its patented Drop-Stop tooth profile, which delivers excellent longevity, chain retention and mud clearance on your adventures. The updated tooth profile works with SRAM Flattop chains in addition to other 9, 10, 11 and 12 speed chains (except the Shimano HG+ 12 speed chain).Compatibility:Shimano GRX cranksets including RX600 and RX810.Drop-Stop tooth profile is compatible with all 9, 10 and 11 speed chains or 12 speed SRAM Eagle, SRAM Flattop, Campagnolo, KMC, Connex or Wippermann chains.Wolf Tooth's patented Drop-Stop wide/narrow tooth profile provides the ultimate chain retention and mud shedding ability.Features: Material: 7075-T6 Aluminium Speed: 11 speed BCD: 110mm Number of Chainrings in Box: One Crank Compatibility: Shimano GRX cranksets including RX600 and RX810 Chain Compatibility: 9, 10 and 11 speed chains or 12 speed SRAM Eagle, SRAM Flattop, Campagnolo, KMC, Connex or Wippermann chainsChainline: 50mm (same as Shimano GRX chainrings)Made in the USA Part Numbers: 38T: WTSH11038GR; 40T: WTSH11040GR; 42T: WTSH11042GR; 44T: WTSH11044GR; 46T: WTSH11046GR Weight: 38T: 72g; 40T: 84g; 42T: 89g; 44T: 92g; 46T: 102gBuy Wolf Tooth Components from Chain Reaction Cycles, the World's Largest Online Bike Store.