The zipp 30 clincher wheel is one way to enhance your speed out on the roads with the 3039s aero efficieny coming up miles above the rest and it doesn39t stop there the wheels also offer a stiff nimble and smooth rolling ride for predictable riding on the open road that gives you the confidence to go faster than ever before the front and rear bike wheel has been through long 14 000 miles and vigorous tests to ensure you are getting a top performing wheelset that is worth every penny