i do alot of trail dirt riding......only able to take it out to the dunes twice a year if im lucky....im runing stock tires....i try to launch in 2nd gear...i have Works shocks, Lonestar + 4 swingarm, Wicked +2 A-arms, Durablue X33 Billet +2 Rear Axle, Lonestar Sprocket Carrier, Trinity Stage IV Stainless Exhaust with Billet Pipes, Boss Billet intake, Keihin 29mm PWK Flatslide carbs, VForce 3 reeds, Billet Noss Cool Head with 21cc chambers.