Transmits camshaft motion for the engine’s consumption and exhaust valves. Amongst its finishes is guided through the lobe of your camshaft though its other end pushes the valve (spring-loaded) to open. Hub: the middle part of the wheel that contains bearings which is the place the spokes attach and afterwards https://milokpstw.blogitright.com/35155496/engine-bike-kit-no-further-a-mystery