A connecting rod would be the part of the engine that connects the piston for the crankshaft. The connecting rod converts the piston’s reciprocating movement in to the crankshaft’s rotation with the crank. Commonly, the connecting rod is made of aluminum or titanium. Chainrings – the front list of gears. https://bike-engine-types94725.vidublog.com/34037736/the-5-second-trick-for-go-kart-track