These chainrings are for Shimano GRX cranks
They feature Wolf Tooth's 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 are NOT compatible with Shimano GRX 600 series cranksets (FC-RX600-1, FC-RX600-10, RX600-10, FC-RX610-1, FC-RX610-2)
- Drop-Stop ST is designed for Shimano 12-speed Hyperglide+ chains
- Wolf Tooth’s patented Drop-Stop wide/narrow tooth profile provides the ultimate chain retention and mud-shedding ability
Specifications
- Weight: 46t • 115g | 48t • 125g | 50t • 135g
- Material: 7075-T6 aluminum
- Chainline: 50mm (same as Shimano GRX chainrings)