Wolf Tooth Components 107 BCD Elliptical Road Chainring (Flat Top), 40T - Bk Crank and Bottom Bracket Tools Compatible with Shimano 10 and

Compatible with Shimano 10 and 11-speed mountain systems

Manufacturer Part Number: 2XL-E

UPC: 710845616853

UPC: 710845718359

171391-Q0-L

Wolf Tooth Components 107 BCD Elliptical Road Chainring (Flat Top), 40T - Bk Crank and Bottom Bracket Tools Compatible with Shimano 10 andElliptical shape for more power and better traction Compatible with most new SRAM 1x road cranks that use the 107 BCD spider with or without power meter Drop Stop B is 10, 11, & 12spd Eagle and Flattop compatible These chainrings are designed to work with all 10 speed, and 11 speed chains. They also work with 12 speed SRAM Flattop, SRAM Eagle and KMC chain. They do not work with Shimano 12 speed Hyperglide+ chain Made in the USA from 7075 T6 aluminum