HOME   ABOUT US   PARTS & ACCESS   WORKSHOP   APPAREL   GALLERY   SA CHOPPERS   SPECIALS   NEW PROJECTS   Contact Us WELCOME TO HYPERFORMANCE CYCLES Welcome to Hyperformance Cycles, SOUTH AUSTRALIA'S LEADING HARLEY DAVIDSON SPECIALISTS . We offer an extensive range of spare parts and accessories. Please do not hesitate to contact our sales team if you require any more information. We offer full workshop facilities in a modern MTA approved workshop with all the latest technology and a combined total of 50 years experience. We are here for all your motorcycling needs! Check out our latest custom to hit the streets. Featured on the cover of the Heavy Duty Magazine. Get the latest copy of Heavy Duty to get the full story or check out more photos on our gallery page. AU$$IE GANGSTER 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