Colour: Black Weight: 130g Material: PC+ALU Size: 80*45*32.5MM Features: Quick installation 【QUICK INSTALLATION】Attach the universal adapter to the back of the phone case to easily connect the bike phone holder. With a single push, the alloy buckle is firmly locked. An additional safety lock is integrated for secondary securing. 【Easy to Remove】Turn the phone 90 degrees to the right, the alloy buckle automatically opens, and the phone can be taken out immediately. Detach your device in one second with one hand, giving you easy access to your device on the go. 【Safe and Durable】This base is made of high quality aluminum alloy, which is durable. Comes with 4 size soft rubber washers (22.2-25.4-28.6-31.8mm) (7/8"|1"|1-1/8"|1-1/4") for different size handlebars ( 22-35mm) Bicycles, Road Bikes, Mountain Bikes, Electric Bikes, Motorcycles/Motorcycles and Scooters. 【3D Curved Adapter】Our adapter adopts 3M4930 high viscosity double-sided tape, which is durable and adheres firmly to your phone case. The adapter (L66*W51mm)(2.6"*2") with large sticking area and 3D curved design can stick firmly to most phone cases while providing a comfortable touch. Reminder: 3M VHB adhesive is a one-time adhesive, not reusable. Allow adhesive to dry for 24 hours before use. 【APPLICABLE TO DIFFERENT DEVICES】Easy to fasten your devices to bicycles, e-bikes, motorcycles and scooters.