KMC Bosch Gen 2 Wide Front Sprocket, Black, 18T BSFB5818

Specifically designed for Bosch E-Bike systems, the KMC Narrow chainring is a perfect solution for replacing or upgrading your current front sprocket Combine with a KMC chain and vastly increase your drivetrains mileage to over 10,000km Front Sprocket Compatible with Bosch Gen II Mid-Motor Systems Perfectly matched to KMC chains for maximum efficiency which saves battery Size: 1/2" X 1/8" (Wide)