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. Direct Mount Chainrings for Bosch E-Bike Motors are machined with 7075-T6 aluminum at Wolf Tooth in Minnesota, USA.

Compatibility

• Chainring is compatible with most bikes that use the Bosch Gen 4 e-bike motor. Not compatible with Pivot bikes using Superboost chainline.
  
• Drop-Stop B tooth profile is compatible with almost all 9-, 10-, 11-, and 12-speed chains, including SRAM Transmission T-Type
  
• Drop-Stop ST tooth profile is compatible with Shimano HG+ 12-speed chains and KMC 12-speed chains.
  
• Designed for a 55mm chain line.