Description: Unique spring locking arm design. With the spring locking arm, you can easily fold the stand into suitable angles for your bicycle. Also suit for both front and rear wheel. It works even in small spaces. Made from premium quality Aluminum Alloy, lightweight, wear-resisting and durable. Foldable for easy storage, excellent craftsmanship avoids scratches to bike frame. Twist knob to transform the notches, the ruler and thimble for observing the swing condition of your rim. Upper notches to fix front wheels on the truing stand, lower notches to fix rear wheels. Effortless push in the rack, this bike storage rack will hold your bicycle steady. Easily folding for compact storage to save space, no need tools to install. A simple one pull knob to fold the stand into a flat shape, size is about 17x17 inch, saving storage when not in use or to carry it into the car when going riding. Suit for 2.36in tire width. Package Includes: 1 Piece Bike Storage Stand Note: 1. Please allow a slight color difference between the real item and the pictures due to the difference between monitors. 2. Please allow a slight measurement error. Hope for your kind understanding and have a nice shopping day!