Magnetic force + vacuum = two are better than one. The smartphone holder for the handlebars has a low profile and can be easily attached to the handlebars with a clamp or cable ties. The set includes two clamps for handlebars with a diameter of 22.2 mm and 31.8 mm, as well as a universal solution with cable ties for other handlebar sizes. When riding without a smartphone, the VACUUM handlebar base blends unobtrusively into the overall appearance of the handlebars. The combination of vacuum and magnetic force keeps the mobile phone securely on the holder - even when riding over kerbs, cobblestones or root trails.The magnetic counterpart is located on the smartphone. Either in the form of a special VACUUM mobile phone case or the universal VACUUM adhesive patch for your existing mobile phone case. The connector allows the smartphone to be easily connected to the holder and is held reliably on the handlebar. The magnetic force centres the smartphone on the holder - this ensures that the s