There are numerous advantages that a JMC swingarm offers over a stock item aside from the obvious aesthetic improvements which include mirror-polishing, sleek lines and vastly improved welds in all areas. In nearly all cases our 'arms are considerably lighter than stock leading to a more responsive ride as well as bringing the weight of the bike down. As well as often being lighter they are substantially stiffer than a stock component, especially with our top or bottom braces; which are bent as 1 whole piece leaving no unsightly welds in the middle. This stiffness can dramatically reduce 'sloppy handling'.
You can also see in the technical section of our website the advantages of using 7020 series aluminium especially over H30!