This sprocket will give you all the torque you need for offroad racing or riding a sportster. This size works with a stock primary chain tightened up. Evolution sprockets are made from 7075 Billet Aluminum. 7075 makes the strongest, lightest and most durable sprocket for any high performance or racing application. After machining, we Mil-Spec Hard-Anodize them for superior wear resistance. This makes a gear that will provide a long life and high performance as well! These sprockets are about .5 lighter than stock! Lighter and stronger material increases throttle response & acceleration Precision CNC Machined accuracy spins better with less wobble decreasing vibrations Mil-Spec Hard-Anodized for the best wear resistance Made in the U.S.A.!
