Features1The parking is made of quality metal material with professional processing, sturdy, anti-rust and durable 2The plastic cover is high strength and unbreakable, durable for long time use 3There is an adjustment screw for adjust the length of it, can be applied to different sizes of bikes 4Comes with clip gaskets, suitable for both square and oval shape ports 5The flat grip design is good for parking bikes steadilySpecificationFeatures:The parking is made of quality metal material with professional processing, sturdy, anti-rust and durable. The plastic cover is high strength and unbreakable, durable for long time use. There is an adjustment screw for adjust the length of it, can be applied to different sizes of bikes. Comes with clip gaskets, suitable for both square and oval shape ports. The flat grip design is good for parking bikes steadily. Suitable for most bikes, easy to install and use. Specification:Material: Aluminium alloy + Plastic Color: Black Length: Approx. 35cm / 13.8inch Weight: Approx. 320g Suitable for 20"-29"wheel diameter ofbikesClip Range for Tube: Oval shape-15-21 x 27mm / 0.59-0.83 x 1.06inch; Square shape - 15-21 x 30mm / 0.59-0.83 x 1.18inch Package List:1 x Bike Parking Support 3 x GasketsPackage List