The Handlebar Mounting-Set QR gives you ONE single Mounting-Set to use flexibly on several bikes and is compatible with all of our handlebar bags. Mounting and removal takes no time at all, needs no tools or screws yet still withstands the conditions over bumpy and rough terrain. If you want to know which version of the ORTLIEB handlebar bag fits on which version of the mounting set, please see our chart. FURTHER PRACTICAL FEATURES - For handlebars with a diameter of up to 35 mm - Reflective tape on the front