Valma E-bike maintenance set with Valma Bio contact spray, Valma Bio Chain oil and Valma Bio Spray wax. Valma Bio Contact Spray protects plugs, wiring and all power related connections of E-Bikes. Valma Bio Chain Oil is 100% vegetable and has been specially developed for smooth and silent functioning of bicycle chains. Extends life, protects against rust and displaces moisture and dirt. Valma Water-based Bio Bike Spraywax has been specially developed to apply a durable protective layer to paint, chrome, carbon, aluminum and plastic surfaces.