aircraft design Why does supersonic flight detach airflow from a wing Clipart tango face surprise shock YouTube Electric shock: Effects on body, severity, and first aid. Innovation meets comfort. The WESA Plug & Play Dynamic Feedback shock absorbers combine Wilbers and ZF engineering for a new level of suspension precision. Fully new ZF built shocks feature proven WESA technology with manual feedback adjustment on the expansion reservoir for fine tuning compression damping. Each unit is custom built to rider and passenger weight with matched damping and spring rate, and optional lowering up to 80 mm (depending on model). Advantages: Brand new shocks no need to send originals Tailored setup for your specifications Easy installation plug in and ride Includes ABE approval, no registration required 10 year warranty