The MOTOWOLF MDL3518 Bottle Holder is an adjustable, universal holder for motorcycles, scooters, and bicycles. It can be installed on a handlebar or mirror stem, keeping a suitable water bottle or cup within reach during commuting, touring, or delivery riding. The holder supports bottle or cup diameters from 52ā70mm and is compatible with handlebars measuring approximately 19ā33mm. It features a black steel plate and PC construction.