1. High strength and durability : The interface part of the coffee cup holder is made of high-quality aluminium alloy material, and the coffee cup itself is made of environmentally friendly PC material, the coffee cup holder is of moderate thickness,sturdy and wear-resistant, increasing the corrosion resistance, which can withstand harsh outdoor environments and prolong the life of the cup to meet the outdoor ultra-thin and ultra-light requirements. 2. : The bicycle cup holder is easy to install and remove, with a 90 degree rotation design, and can be installed horizontally and vertically. It is easy to operate and pick up with one hand More flexible usage. 3. Applicable cup range : Bicycle cup holder product outer diameter: 85 100, product inner diameter: 80mm, can accommodate 12-16-20 ounces (diameter about 3 inches), with a sealing cover and trapezoidal cup. For example, coffee cups, milk tea cups, thermos cups, water cups, etc., are not suitable for straight cups. Suitable for handle diameter: 22.5-25.6mm. (Note: Do not use disposable cups, nor are they suitable for standard water bottles. 4. Widely used : The bicycle cup holder is suitable for bicycles, mountain bikes, folding bikes, motorcycles, electric scooters, etc. It is an excellent accessory for bicycle enthusiasts. The cup holder can provide you with your favorite coffee, drinks, and more while cycling outdoors.