German engineering for your bike hand built in germany veltec wheels offer real performance reliability and quality construction combined with fantastic value for money featuring veltec sr hubs shimano and campagnolo compatible the speed 45 acc is a 45mm deep section carbon clincher with an aluminium braking surface unlike some alloy carbon clinchers on the market the carbon on the veltec wheels is structural thereby adding strength and stiffness to the wheel the german made veltec