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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.
Compatibility
- Aero chainrings available in 46T - 52T. Sizes 36T - 44T are non-aero.
- Compatible with Shimano GRX 600 series cranksets (FC-RX600-1, FC-RX600-10, RX600-10, FC-RX610-1, FC-RX610-2). Also compatible with Shimano GRX 800 series cranksets (FC-RX810-1, FC-RX810-2, FC-RX820-1, FC-RX820-2).
- 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
- Chainrings are designed for 1x drivetrains. They are not compatible with 2x drivetrains.
Recommendations
- 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.
Related Products
Tanpan - allows Shimano mountain bike rear derailleurs to be used with Shimano road shifters
RoadLink - allows for wide range of cassettes to be used with Shimano road rear derailleurs
Tech Specs
Weight: 36t • 65.5g | 3 8t • 72g | 40t • 84g | 42t • 89g | 44t • 92g | 46t • 102g | 46t (Aero) • 115g | 48t (Aero) • 125g | 50t (Aero) • 135g | 52t (Aero) • 141g
Material: 7075-T6 aluminum
Chainline: 50mm (same as Shimano GRX chainrings)
Made in the USA