The shock absorber will vibrate quickly on uneven roads to improve safety and make you feel more comfortable Motorcycle shock absorber universal fit for most vehicles. Professional manufacturing,stable characteristics,high reliability High precision parts designed to improve vehicle performance and efficiency. The motorcycle shock-absorbing spring is made of high Metal. Color:M99-8-400mm Name:Motorcycle Absorber Material:6063 Aluminum Package included: 2*Shock Absorber 2*12mm copper rings 2*Adjuster Note: 1 inch=2.54cm=25.4mm or 1cm=10mm=0.393inch Items are measured by hand,there will be a slight deviation.Hope you understand.The item color displayed may be slightly different on your computer monitor since monitors are not calibrated same.