Not compatible with 11-speed road cassette's

mildew etc

12 speed: 398g

Who's It For: The GR-501's are an excellent choice for Trail

The most ventilated full-face hardshell helmet on the market

Wolf Tooth Direct Mount Drop-Stop eBike Chainring - Direct Mount - Trek TQ - 55mm Chainline - Round - 32T - 9-12 Speed PLP|Largest Cog Not compatible with 11-speed roadWolf Tooth Direct Mount Chainrings for Shimano eBike Motors have a 55mm chainline and are compatible with all Boost and Super Boost bikes that use the Shimano EP8, E8000, and E7000 eBike motor splines. The Drop Stop B tooth profile is compatible with almost all 9 , 10 , 11 , and 12 speed chains the only exception is Shimano Hyperglide+. The Drop Stop ST tooth profile is only compatible with Shimano Hyperglide+ chains. Direct Mount Chainrings for