BOSCH Chainrings for E-Bike Bosch

The bosch sprocket allows optimum use with your VAE equipped with a Bosch engine. This is made of chrome molybdenum steel making it much stronger and more durable than steel. Details: Compatible with Bosch (Performance Line CX / Performance Line / Active Line) Strong and durable construction specifically designed for the constraints of electric bicycles Chromium molybdenum steel, more resistant than steel