Elka Stage 4 Shocks Arctic Cat ZR 9000 Ride Its ability to adapt to Features include waist adjustment Its ability to adapt to changing environments makes it perfect for any situation from dusk to dawn All four of the light alloy buckles are replaceable and have adjustable straps It features a single external compression adjustment knob that controls the low speed compression damping that is combined with an internal high speed blow off circuit which relieves peak pressure upon impacts to achieve race level performance in a package that is more accessible and easier to adjust Allows good control of key parameters without too much complexity