Specifically designed for Bosch E-Bike systems, the KMC Narrow chainring is a perfect solution for replacing or upgrading your current front sprocket. Drivetrains on e-bikes with strong mid motors are subject to enormous constant load.
KMC Bosch Gen 2 Wide Front Sprocket, Black, 18T BSFB5818
KMC Bosch Gen 2 Super Narrow Front Sprocket, Black, 18T
KMC Bosch Compatible Front Sprocket 11/128 Chromoly Black - 18T
KMC Bosch Gen 2 Super Narrow Front Sprocket, Black, 15T
KMC Bosch Gen 2 Wide Front Sprocket, Black, 20T