Due to the rotation speed adjustment, the pulley ratio changes and the bending R becomes strong, so durability
Considering it to be rich type. Belt squeal, little heat generation and durability seems to be present.
Because the product number of your company is different from the maker with the aimed product number, it collated suddenly. I admired the speed from receipt of the order date and time. Thank you. There was also a thing that the product number of the manufacturer and the part number of the selling company of the net coincided with other company, but it was high but lost. I want something to match.