Some cone CVT models use two rollers.[23][24] In 1903, William Evans and Paul Knauf applied for the patent with a 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. Still in https://gearbox-cvt04803.idblogmaker.com/31933424/the-single-best-strategy-to-use-for-gearbox-cvt