On the base of the shock you will find a red rebound adjustment control knob that can be adjusted by turning the click wheel one to 24 clicks with a flat head screwdriver. Ross tells us, "I suggest setting the rebound damping so that the chassis springs back as quickly as possible after a big landing, without overshooting and oscillating more than once. It is important not to over-dampen the rebound as this will lead to suspension packing--resulting in reduced traction. This can be detected by running a series of good-sized whoops. If the vehicle works well for the first few bumps but then starts to kick by the third or fourth one, its because the wheels aren't returning (rebounding) quickly enough after hitting each bump. Decreasing the amount of rebound dampening will help this (turn adjuster counter-clockwise). The optimum setting depends again on the type of terrain - a short-course driver will like the reduced roll-rate and improved predictability of a slower rebound setting (clockwise) and doesn't need to be as concerned about suspension packing as someone who is running down a sandy wash."