Sks Rowdy Pair 24 x 2.5` Composite Black 57mm / 2.25` 205gThe first high end dirtboard for kids mountain bikes Our Multi Adjust design allows mounting to almost every frame type including full suspension The bombproof fixation to the seatpost has been designed thief proof Fits 20 24 inch bikes 205g per pair TECH SPECS Wheel Tire Size Comp. 20 24 Material Plastic Primary Color Black Fender Mount Type Seat tube Steer tube Fender Width 40mm