Genuine Synergy axle but can be used with any kart. 1020mm used in Honda cadet classes, the 980mm used in Iame Gazelle cadet classes. Dot 1 is Super Soft. Used for very cold days Dot 2 is Soft. Used for cold days. Dot 3 is Medium. Used for an average day Dot 4 is Hard. Used for how days The softer an axle, the more grip there is, hence why you'd want a softer axle for hotter days.
