... good quality and competetive price Narrow beltWedge angle ( V with two side angle ) is 40 degrees, relative height ... fabric or a single row of dipped cord. With a top surface and with a high ratio of 1.1 ... of about 1 / 3, so the transverse stiffness. With top bow shape, so that the cable force and ... same time, narrow V belt size compared with the general V with reduced 50%, the service life is prolonged ...