Bar mount with silicone band that can be mounted on bars up to 1.9 - 5.5 cm in diameter. It can be attached not only to handlebars, stems, top tubes, but also on tripod legs or golf carts. Hard lock compatible. Size: Head part H 2.1 x W 2.1 x D 0.5 inches (H 5.3 x W 5.3 x D 1.39 cm); Band part H 6.3 x W 0.8 inches (16 x 2.1 x 0.5 cm); Height: 0.9 inches (2.2 cm) (handle bar to top of head). Weight: 2.8 g).