VEGAST represents the Rotor brand\'s victories in the Tour de France, the Spanish Vuelta and the Giro de Italia: The great peaks of these great tours are the Veleta, the Galibier and the Stelvio., hence the name of the VEGAST cranks.Direct Mount technology features a proprietary spline interface connecting crank arm, axle and chainring allowing you to easily assemble and disassemble your crankset with only one bolt.Crafted using expert CNC processes, VEGAST includes the Trinity Drilling System, with three internal holes from axle to pedal, giving the dual benefit of an exceptionally light crank with superior stiffness to take on the most challenging rides.