BOSCH E-BIKE MOTOR DM DROP-STOP CHAINRING - SHIMANO HG+

Wolf Tooth Bosch Gen 4 Direct Mount Chainring, Drop-Stop ST

A direct mount chainring for Bosch Gen 4 e-bike motors, machined from 7075-T6 aluminium in Minnesota. This is the ST tooth profile, built for 12 speed Shimano HG+ chains.

Key Features

• Drop-Stop ST tooth profile for 1x12 Shimano HG+ drivetrains (Wolf Tooth also lists KMC 12 speed)
• Wide side of the tooth spreads the load for longer chainring life
• Narrow side clears mud and debris to cut friction
• Alternating wide/narrow pattern prevents chain derailment
• 55 mm chainline

Specifications

• Fits Boost and Super Boost bikes with the Bosch Gen 4 motor
• Not compatible with Pivot bikes using the Superboost chainline
• Sizes: 32T and 34T
• Material: 7075-T6 aluminium
• Run a clutch rear derailleur for best chain security. In very muddy conditions add a chainguide or chainkeeper.

Running SRAM or another chain? You want the Drop-Stop B version. Ask us if you are not sure.