Zaddox universal motorcycle rear shock absorbers with reservoir Perfect replacement for worn and defective shocks or for individual conversions Suitable for all types of motorcycles such as roadsters, retro, choppers, cruisers etc. Progressive suspension for optimal adaptation to the road surface and speed Adjustable spring preload (hook wrench included), length can be increased continuously by 10mm Pressure in the expansion tank can be regulated with an air pump for shock absorbers (not included) The tanks can be filled with compressed air or nitrogen .
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