Mounted once. Adaptive: Carbon® Digital Light Synthesis™ 3D-printing technology, offering seamlessly engineered zonal cushioning Argo: versatile short-nosed saddle that encourages stability and relieves pressure on soft tissue R1: A combination of a ride-compliant, carbon-reinforced nylon shell and a highly stiff carbon rail SPECIFICATIONS Length: 265 mm Width: 150 mm Height at 75 mm width: 45.5 mm Length from nose to 75 mm width: 114 mm Weight: 196 g Rail: 7x9 mm