Feature●▶ The 1 inch ball mount kit come with three soft rubber ring inserts. Three rubber ring diameter: 0.5(12mm), 0.87(22mm), 1(25.4mm). When the rubber ring insert is not embedded, the hole diameter of the handlebar mounting base is 1.26" (32mm).●▶ This handlebar clamp mount fit for handlebars 0.5 inch (12mm) / 0.87 inch (22mm) / 1 inch (25.4mm) / 1.26 inch (32mm) in diameter.●▶ With 1 inch ball joint. TPU over-molded ball head, non-slip and wear-resistant. Compatible with RAM Mounts & BRCOVAN any B size 1 ball double socket arms.●▶ Main body made of 6061-T6 aluminum alloy. CNC machining and Class III hard anodized surface treatment.Description