Liquor Pair 7mm Spring Round Ends For Honda Kawasaki Suzuki Yamaha Scooter ATV Go Kart Quad Dirt Sport Bikes 280MM Motorcycle Air Shock Absorbers Red 315mm (12 3/8") total length;280mm (11") eye to eye of clevis Eye Diameter: 10mm or 12mm ;Eye thickness: 21mm(0.8") Spring thickness: 6.9mm(0.27");Spring Width: 60mm(2.4") Weight Rate: 150kg The length and pressure can be adjusted by springs or air (nitrogen)