Product Name : Bike Kickstand Spring;Material : Metal Spring Length : 64mm/ 2.5";Total Size : 90 x 12mm/ 3.5" x 0.4"(L*D) Hole Diameter : 9mm / 0.3";Color : Silver Tone Weight : 84g Package Content : 3 Pcs x Bike Kickstand Spring Product Description Features: made from metal material, strong spring load for bike. Keep that kickstand from flopping down, used as bike kickstand spring.