Electric shock: Effects on body, severity, and first aid Shock Warning Free Stock Photo Public Domain Pictures aircraft design Why does supersonic flight detach airflow from a wing Amazon.com: Shock Shock Absorber Type 641 Competition. This shock absorber connects its compression tank to the main body using a flexible steel hose, making it an ideal choice for motorcycles with limited installation space. The hose can be routed freely wherever space allows for instance, along the rear frame where airflow can also aid in additional cooling. The external adjustment screws for high and low speed compression, each adjustable in 22 clicks, are easily accessible. Rebound damping can be fine tuned through an open bleed system with 22 clicks, and the spring preload is continuously adjustable. Product may vary from picture.