1. 360° Rotating BracketThe bracket of the motorcycle drink holder adopts a spring-type rotatable bracket, which can be rotated 360° by pulling it out, and the water cup can be adjusted to any angle, which is convenient to use. 2. 2.17-3.35in Adjustable Bottle CageThe manual adjustment knob of the bottle cage can adjust the front and rear width, ranging from 5.5-8.5cm/2.17-3.35in, compatible with various water bottles with different diameters. The adjustable bottle cage makes the water cup fit more tightly, and will not fall off when riding. 3. Easy to Install on 0.67-1.18in PoleThis bike cup holder fits on 1.7-3cm/0.67-1.18in diameter handlebar/pole, please confirm the diameter of your handlebar/pole before purchasing. Equipped with tool, easy to assemble and disassemble. 4. Good Load-BearingThe bicycle water bottle holder uses stainless steel U-shaped screw lock, which is shock-resistant and anti-shake, and the installation is firm and does not fall. It holds up well and won't loosen or rotate. High-strength nylon plastic is wear-resistant and does not deform.