Buy the safe and smart shock absorber for your stylish Sportster or Big Twin! Specifically designed to deliver a secure drive, 11" Progressive Steel Body Shocks Absorbers For Big Twin & Sportster is the best. Progressive Susp. is its manufacturer and is marked to be an element of 412 series. Its Chrome plated 11” shocks have the full coverage with a centered lower mount to provide a flawless ride. So, check the existing shock length, and then order this product so that you won’t face any problem later on.