Kart Master 219 Sprockets.
Super Lightweight: from 5 oz. each. Made of the highest quality 7075-T6 aircraft grade aluminum. Machined and hobbed for accuracy. Kart-Master sprockets feauture a "marbelized" finish that delivers a harder top-layer anodized finish to further increase the durability of these sprockets.
(Note: These sprockets are currently going through a color change to Black. If you order more than one size they may be different colors)