Features: Extremely sturdy and durable frame. Foldable and intelligent design for easy operation. Compact design takes up little space in the stand. The measurement part is made of plastic to protect the wheel from scratches. Deform the notch with the knob. Ruler and thimble to observe the swing state of the rim. Top notch for securing front wheel to thruing stand, bottom notch to secure rear wheel Great for home use as well as race day use. Suitable for 100MM front flower drum drive, 135MM back-flower drum drive. Specifications: Condition: 100% Brand New Material: Aluminum Alloy Size: Approx. 28 * 30 * 15.5 * 26.5 * 47 * 26 * 10.5cm / 11.0 * 11.8 * 6.1 * 10.4 * 18.5 * 10.2 * 4.1in Package List: 1 * Bike shaking