Some cone CVT types use two rollers.[23][24] In 1903, William Evans and Paul Knauf used to get a patent on a continually variable transmission using two parallel conical rollers pointing in reverse Instructions and related by belts that might be slid together the cones to vary the transmission ratio. Lead https://gearboxcvt87529.thezenweb.com/the-greatest-guide-to-gearbox-cvt-70691126