Versa Mounting Plate: Reinforced aircraft aluminum. Brackets: Nylon composite with Velcro straps coated with no-slip extension grip. Fits 22.2mm diameter aerobar extensions. If your bars are oversized we can custom make special oversized clamps.
High Density Polyethylene, Food Grade BPA-Free Plastic (Per EU No 10/2011, FDA 21 CFR 177.1520), Hydroblade mount, Brackets, Black rust-proof steel hardware