100% Brand new, heavy duty and high quality, Unscrew/ rotate the plastic knobs on both sides to adjust the expansion angle of the stand, Tighten both the knobs after maintaining the correct angle, No need to use the turn-knob once the final adjustment is made, Suitable for maintenance of the bicycle, checking of the gears, wheels, speed control system adjustment, repairing and washing etc, Also convenient and simple to use at home, especially useful for those who have not installed support frame for their bikes, Can be used for displaying the bicycles in the showroom Must for people who like to 'do it themselves, Material : Powder coated steel and plastic, Warning : Do not sit/ride the bicycle when the Bike is fixed on the stand. Not meant for stationary riding, Colour : Black, Folding size: Approx. 16.53 x 12.2 inch / 42 x 31 cm (length x width), Weight : Approx. 950g, Size: Approx. 26 x 11 x 13cm/10.2 x 4.33 x 5.11inch (L*W*H) (maximum dimensions), Meant for bike wheel size 26"/ 700 , Compact, portable and utility, Designed for outdoor or indoor use, Mounts on bike rear hub axle, Screws knobs on both sides to unfold/fold/fix the two legs, very simple to operate, Can fold flat, taking up no room and is dead easy to use