Scicon bicycle gear cover the scicon bicycle gear cover is a great protector for your car seats saving them from any dirt grime and grease from your drive chain if youre the sort of person who travels a lot with your bike or if you transport your bike or components a lot in your car then a cover could be just what you need th key features covers chain front and rear derailleurs easy click fastener for easy assembly using velcro straps made from supertenax 210120 waterproof