This is not a "ONE SIZE FITS ALL" fender - You MUST order the model and size that matches your Aventon ebike model and size. Aventon&';s design team wasn&';t satisfied with the generic "off the shelf" fender options for our ebikes, so we set to work designing these new, all-metal fenders. Each is engineered for a perfect fit on your Aventon ebike. Stay dry on wet rides and adds a touch of visual class to your ride. Set includes front and rear fenders, plus mounting hardware Order the model and size that matches the frame size of your Aventon ebike Fender exploded diagram and installation instructions (PDF)