HOME   ABOUT US   PARTS & ACCESS   WORKSHOP   APPAREL   GALLERY   SA CHOPPERS   SPECIALS   NEW PROJECTS   Contact Us WELCOME TO HYPERFORMANCE CYCLES SOUTH AUSTRALIA'S LEADING HARLEY DAVIDSON SPECIALISTS . We offer full workshop facilities in a modern MTA approved workshop with all the latest technology. We are here for all your motorcycling needs! Content Managed Interactive Web Site by Web Whisperer. Harley-Davidson; Harley Davidson South Ayustralia; Custom building Harley-Davidson; Choppers; SA Choppers; Motorcycles; Motorcycles South Australia; South Australia's largest aftermarket superstore; Proper Choppers Tradittional Bobbers; Custom Harley-Davidson South Australia