These chainrings are for Shimano GRX cranks. They feature our patented Drop-Stop® design for the best wear life, chain retention, and mud clearance. Drop-Stop ST is specifically for the Shimano 12-speed Hyperglide+ chain, which is used by GRX 12-speed. Drop Stop-B works with all other 9, 10, 11, and 12-spd chains, including SRAM Flattop.

• Material: 7075-T6 aluminum
• Chainline: 50mm (same as Shimano GRX chainrings)
• Made in the USA

Compatibility

• Shimano GRX cranksets including RX600 and RX810
• Drop-Stop ST is designed for Shimano 12-speed Hyperglide+ chains
• 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 SRAM Eagle, SRAM Road and Transmission (T-Type) Flattop chains, 9, 10, and 11spd chains or 12spd KMC, Connex, Wippermann, Campagnolo.