Description

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.
• 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). Non-aero chainrings have no compatibility restrictions and work with 600 and 800 series cranks.
• 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.
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    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

    Patent and trademark information

    Additional information

    Tooth Profile	Drop-Stop B, Drop-Stop ST
    Tooth Count	36T, 38T, 40T, 42T, 44T, 46T, 48T, 50T, 52T

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