Accessories: For easy installation and best compatibility, we recommend matching accessories or whole Bafang conversion kits, found either in the Amazon Store or on our website with ideal advice and instructions on our products, for your special e-bike or pedelec experience. windmeile | E-Bike Nabenmotor Hinterrad The robust cover has been designed so that it protects the gearbox better from dust and sand than the standard plastic cover of the BBS01 and BBS02., Features: The cover is made of CNC 6061 aluminum alloy and serves as a seal replacement for the standard Bafang plastic cover. windmeile | Bafang Rotor mit Lager für BBS02 BBS01 BBS02 Upgrade Part Lekkie Drive Cover For BBSHD – California Ebike E-bike Motor Cover This drive cover is only compatible with Bafang BBS01 and BBS02 engines. windmeile | Hailong 1 Hülle für E-Bike Akkus The depth from the outer edge of the cover to the inner rubber seal is 3., 5 mm. The drive cover is 32 grams and the surface is red anodized.