Some cone CVT designs use two rollers.[23][24] In 1903, William Evans and Paul Knauf used for the patent on the consistently variable transmission using two parallel conical rollers pointing in opposite directions and connected by belts that can be slid together the cones to change the transmission ratio. Trigger: A https://gearboxcvt44219.laowaiblog.com/31786032/how-much-you-need-to-expect-you-ll-pay-for-a-good-gearbox-cvt