The Wolf Tooth Direct Mount Chainrings for Bosch E-Bike Motors are compatible with all Boost and Super Boost bikes that use the Bosch Gen 4 E-Bike Motor. This continues the Wolf Tooth product line of Drop-Stop chainrings for e-bike motors
For Bosch Gen 4 E-Bike Motors
Compatible with all Boost and Super Boost bikes
Drop-Stop B for all 9, 10, and 11spd chains or 12spd SRAM Eagle, SRAM Flattop Road or Transmission (T-Type), KMC, Connex or Wippermann chains
Drop-Stop ST for use with Shimano 12-speed Hyperglide+ and 12spd KMC chains
A lightweight chainring with patented Drop-Stop technology
