motorcycle rear suspension linkage

aluminium aluminum and arm bearing bearings black body bolts castle classic clicker collar dampner detail dirt dogbone enduro equipment for frame gravel grey holes lightweight link linkage marks metal moto motocross motorbike motorcycle motorsport mud needle nut object oil old part parts piece progressive race rear rebound roller rust scratches scuffs seat section segment shaft shock silver speed spring stainless steel street supermoto suspension swingarm swinging thread transportaion triangle tube tubes used vehicle vintage