Product details: Brand: ROCKBROS Colour: Black Material: Nylon + aluminium alloy + stainless steel Weight: Approx. 339 g Adjustable width: 5.5-8.5 cm Applicable vehicles: motorbikes / electric vehicles / bicycles Features: High adaptability: adapted to various models, cycling is not afraid of running out of water. Upgrade the universal ball model, you can install all kinds of motorbikes, electric vehicles and bicycles with round bars, use the space reasonably and ride without blocking your legs. 360°Rotation: 2 * 360 ° universal ball joint, the angle is adjusted at will, which is convenient to control the angle of the kettle rack. Aluminium alloy connecting rod, spiral clamping, stable and firm, easy to disassemble and install. High-quality material: U-shaped clip, smooth installation, high-strength nylon plastic steel + stainless steel U-shaped screw, wear-resistant and non-deformable. Nylon with high toughness is abrasion and scratch resistant, and the matte treatment will not hurt the paint. Universal size: 5.5-8.5 cm adjustable jaw width, kettle can be installed at will. The width of the front and back of the water bottle holder is adjusted by means of a lower adjustment knob, which is compatible with a variety of containers with different diameters. Better protection: fits tighter and rides without falling. Adjust the width of the water bottle holder according to the diameter of the bottle, wrap it tighter and don't worry about dents.