WOLF TOOTH Shimano GRX 110 BCD chainring 40T

These chainrings are for Shimano GRX cranks. They feature our patented Drop-Stop® design for the best wear life, chain retention, and mud clearance. The newly updated tooth profile works with SRAM Flattop chain in addition to other 9, 10, 11, and 12-spd chains (except Shimano HG+ 12-speed chain). If you plan to ride in very muddy conditions, we recommend a chain guide or chain keeper in addition to a clutch-type rear derailleur. Without these precautions, you may experience chain drops and/or chain suck. Specifications: - Weight: 36t-65.5g - Material: 7075-T6 aluminum - Chainline: 50mm (same as Shimano GRX chainrings) Compatibility: - Shimano GRX cranksets including RX600 and RX810 - Drop-Stop B tooth profile is compatible with SRAM Flattop chain - Wolf Tooth’s patented Drop-Stop wide/narrow tooth profile provides the ultimate chain retention and mud-shedding ability - Use Drop-Stop B for all 9, 10, and 11spd chains or 12spd SRAM Eagle, SRAM Flattop, Campagnolo, KMC, Connex or Wippermann chains