Neoprene, for battery contacts under the tube, black Used to cover the connection contacts on the frame when the battery is removed, protects against weather, freezing, dirt and damage Electric cap M-frameThe Electric Cap M-Frame is used to cover the connection contacts on the frame when the battery is removed. It is made of elastic neoprene and protects against weather, freezing, dirt and damage and is suitable for all e-bikes with a frame battery. Dimensions (LxWxH): 8 x 5 x 5 cm. Fastening Velcro strap Width 5.0 cm Components Contacts Features durable, frost-proof, dirt-repellent Main colour black Height 5.0 cm Length 8.0 cm Type/kind Article Vehicle type bicycle Version cover parts