The functional neoprene cover protects against climatic influences, dirt and cold. Protects against impacts and scratches. Material: Neoprene, 4.5mm thick. Protects the central motor of the E-Bikes during transport in a car bike rack from water penetration and damage. Suitable for mid-engined E-Bikes such as BOSCH, YAMAHA, SHIMANO, IMPULSE, BROSE, PANASONIC and TranzX.