This rack can hold bicycle wheel or brake discs, which is convenient for you to maintain and repairing bicycle wheel or brake discs. Features: The chassis is stable and not easy to fall. Made of fine quality material for long service time. Base screw design, adjustable width, easy to switch between front and rear wheels. According to the size of the brake disc and operation space requirements to adjust the angle. According to the brackets on both sides, you can see if the wheel has a large deflection, then make adjustment to make the wheel turn more smoothly. Detachable design for easy storage. Specifications: Color: blue+black Material: high-carbon steel Rim compatible: 27.5-29in, 700C quick release wheel set Disc compatible: 140-180mm brake disc Install size: 500 * 277 * 190mm / 19.7 * 10.9 * 7.5in Item weight: 3460g / 7.6lb Package size: 505 * 120 * 82mm / 19.9 * 4.7 * 3.2in Package weight: 3760 / 8.3lb Packing List: 1 * Bicycle Wheel Truing Stand