This super cool Spidey and his Amasing Friends bike horn easily attaches to any Marvel fan's bike! Sound your horn so everyone knows you're coming around the corner. Tut-tut! Specifications: Color: blue, red, yellow Gender: junior Material: plastic, steel Handlebar clamp diameter: Ø 22 mm Dimensions bike horn: 13.2 x 7 cm (L x W) Weight: approx. 83 grams