ENGINE BIKE KIT NO FURTHER A MYSTERY

Transmits camshaft movement for the engine’s ingestion and exhaust valves. Certainly one of its ends is guided because of the lobe on the camshaft when its other end pushes the valve (spring-loaded) to open up.Freehub: a ratcheting assembly onto which a cog or cassette is mounted that allows the bicycle to Coastline without the pedals turning and