Introduced species of damper(single tube/twin tube) ,what adjustable damper is tuning?(including a modified damper is 1 Way/2 Way/3 Way/4 Way) and the arranged track car of shock absorber(ball joint bearing upper mount, aluminum shock body, gas cylinder plug,height adjustable and etc.) is how to cope with extreme racing environment. It is to install consumer for shock absober and set-up have right concept to find their own appropriate handling. Single tube/Twin tube articles(Chinese ver.only): 1) https://carnews.com/article/info/d8ce93c2-4b11-11e8-8ee2-42010af00004/ 2)https://carnews.com/article/info/d8f56af7-4b11-11e8-8ee2-42010af00004/ What is tuning of adjustable damper articles(Chinese ver.only): 1)https://carnews.com/article/info/d9313e79-4b11-11e8-8ee2-42010af00004/ 2)https://carnews.com/article/info/d96617b7-4b11-11e8-8ee2-42010af00004/ 3)https://carnews.com/article/info/d9799fb7-4b11-11e8-8ee2-42010af00004/ 4)https://carnews.com/article/info/d9927c78-4b11-11e8-8ee2-42010af00004/ Racing shock absorber configuration articles(Chinese ver.only): 1)https://carnews.com/article/info/d9f3de65-4b11-11e8-8ee2-42010af00004/ 2)https://carnews.com/article/info/da352b34-4b11-11e8-8ee2-42010af00004/