Frame: the leading ingredient of the bicycle that gives details of attachment for the varied components which make up the equipment. Normally includes a head tube, best tube, down tube, seat tube, seat remain and chain remain, linked collectively into a frame. A radial-triple engine has 3 cylinders organized inside https://bikeenginedetails71367.thekatyblog.com/33752222/an-unbiased-view-of-bike-part-hs-code