Cogset: One more phrase for that set of rear sprockets that attaches towards the hub within the rear wheel and typically possibly a freewheel or cassette Air-Cooled Engines: Utilizing airflow to dissipate heat, these engines are less difficult and lighter but might battle to maintain optimal temperatures under high-performance situations. https://johnnyortut.uzblog.net/the-single-best-strategy-to-use-for-bike-parts-honda-48765551