This Sportster S isn't your granddad's Sportster but is the latest in a line of evolution that did away ... Power flows through a six-speed transmission with a carbon fiber belt-and-pulley final ...

That said, the Harley-Davidson Sportsters that used the beloved EVO engine ... Harley-Davidson Sportster S can go as fast as 137 miles per hour and can reach 60 mph in 3.4 seconds.