1. The main body is expandable and compatible with a variety of frame types2. Heightening design, do not worry about the shock absorber scraping due to the small diameter of the wheel3. It is made of aluminum alloy by CNC process, which makes the product lightweight and improves the strength.Telescopic rod weight: about 80gColour: Black / Red / Gold / Silver / Dazzle ColorMaterial: aluminum alloyPackage Contents:1 x Folding Bicycle RacksOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.