Fit for 3.5--6.2 inch phone etc Can install on about Φ31.8/25.4 handlebar and stem cover Fit for the phone's width from 50mm to 100mm Fit for electronic equipment used, compatible bike/E-bike/scooter/motorcycle etc Metal CNC Model: GUB G-85 phone holder Material: AL6063 Length ...Fit for 3.5--6.2 inch phone etc Can install on about Φ31.8/25.4 handlebar and stem cover Fit for the phone's width from 50mm to 100mm Fit for electronic equipment used, compatible bike/E-bike/scooter/motorcycle etc Metal CNC Model: GUB G-85 phone holder Material: AL6063 Length: 50mm(max 100mm adjustment) Width: 50mm Diameter: Φ31.8mm clamp Weight: 96g Color: Black, Red Application: Can install on about Φ31.8/25.4(used giveaway spacers) handlebar, Fit for 3.5--6.2 inch phone etc electronic equipment used, compatible bike/E-bike/scooter/motorcycle etc. Feature: Fit for the phone's width from 50mm to 100mm, can be assembled on the handlebar and stem cover, stable and firm, super durable with nice appearance. Package: 1set phone holder in retail box Giveaway include: 2pcs spacer(transform Φ31.8 to Φ25.4mm) + Allen Key(more convenient to install)