2015 Harley-Davidson® Sportster® Seventy-Two®Authentic ’70s chopper attitude meets modern power and premium H-D styling in this bare-bones, radical custom.Features may include:Mini Ape-Hanger HandlebarGrab ahold of the stainless steel mini-ape hanger handlebar and put your fists up into the wind--it’ll take you back to the glory days of chopper cruising. And to keep the look cool and clean, the wiring is routed inside the steel.Retro Air Cleaner CoverThis 8-inch, street legal, mirror-chrome air cleaner cover makes a powerful statement that recalls the glory days of old iron crossed with a clean, contemporary look.Whitewall Tires and Laced WheelsLarge (21-inch front) lace-spoked wheels with their bold brilliant white walls complete the old-school low-rider look.Evolution® Engine InnovationAir-cooled and durable as hell, the 1200cc Evolution® engine is yet another nod to the unwavering work ethic that drives advancements in motor technology at Harley-Davidson. Aluminum heads and cylinders lighten the load of the bike and improve air-cooling efficiency. Electronic fuel injection says goodbye to carburetors and boasts increased reliability and less routine maintenance. Bottom line: the rubber-mounted Evolution® engine runs hard and rides smooth for thousands of miles so you can just worry about taking in the freedom of the open road.Pure Harley-Davidson StylingFeast your eyes on the 1200cc Evolution® engine and there’s no mistaking its roots. This is authentic Harley-Davidson style through and through with an attention to detail you won’t find from any other motorcycle company. Black powder-coated cylinders and cylinder heads are topped off with chrome rocker covers and an old school round air cleaner cover for a tough vintage Harley-Davidson attitude. It’s a jewel machined out of metal. Pure. Dripping with power. From the classic edge of the cooling fins to the clean lines of cases and covers—the 1200c Evolution® engine makes an ironclad statement about holding on to what’s right and staying true to what satisfies the rider.Evolution Engine HeritageThe Evolution® engine—known in certain crowds as the Blockhead—was first bolted to the frame of a Harley-Davidson® motorcycle back in 1984. Born from legendary Shovelhead and Ironhead engines, the Evolution® engine broke new ground in displacement innovation while maintaining the hunger for power, durability and proven reliability that The Motor Company was built on.Foundation Brake SystemLike riding itself, you can never go too far when it comes to improving a bike’s brakes. This is why we gave the brake system of each Sportster® model a complete overhaul designed to improve performance, fit and finish. We increased the size of the brake rotors from 292mm to 300mm and added a more powerful, stylized front caliper with 34mm pistons and stylized rear caliper to match. Other system features include an improved all-aluminum integrated rear master cylinder with reservoir, all-aluminum front master cylinder with reduced friction and higher efficiency, and stainless steel braided lines. It all adds up to more confidence on the road and more power and predictability when you squeeze the brakes.Integrated Electrical SystemCoursing through every Sportster® model is a body controller with updated routing. It has a cleaner look and reduces the number of wiring harnesses, switches, relays and fuses. Which is a fancy way of saying less fuss. We’ve also added a voltage regulator with modified fins and integrated connectors to improve heat rejection. Like you, the Sportster® motorcycles are wired and ready to chase wind and eat up miles of pavement.