1、Screws knobs on both sides to unfold/fold/fix the two legs. 2、Protect the painting of the bike with the connectors made of plastics. 3、Can fold flat, taking up no room and is dead easy to use. 4、Designed for outdoor or indoor use. 5、Perfect for bike repair/parking/washing, drive train maintenance, variable-speed adjustment or just supporting the bike. Features: Screws knobs on both sides to unfold/fold/fix the two legs. Mounts on bike rear hub axle. Protect the painting of the bike with the connectors made of plastics. Can fold flat, taking up no room and is dead easy to use. Designed for outdoor or indoor use. Compact, portable and utility. Perfect for bike repair/parking/washing, drive train maintenance, variable-speed adjustment or just supporting the bike. Specification: Material: Aluminum metal & engineered plastics Color: Black Dimensions: Approx. 32.5 x 30 x 27cm / 12.8 x 11.8 x 10.6inch Adjustable Width: Approx. 31cm / 12.2inch Weight:Approx. 770g Package list: 1 x Foldable Bicycle Stand