Patent ID: 8474566

Claim:
A shaft drive type motorcycle comprising: a body frame; a swing arm provided on said body frame and operative to swingably support a rear wheel; a drive shaft provided in said swing arm or adjacently to said swing arm for supplying a driving force of an engine to be transmitted to a rear wheel axle operatively connected to said rear wheel; a pinion gear provided at one end of said drive shaft and meshed with a final gear provided on said rear wheel axle; a gear box provided at a rear part of said swing arm and accommodating said final gear; and a bearing provided between said gear box and said rear wheel axle, said bearing including an outer race and balls and an inner race, and said bearing is operative to rotatably support said rear wheel axle; wherein a presser flange includes a hollow cylindrical part, said hollow cylindrical part engages the inner race to press the inner race in an axial direction of said rear wheel axle, said presser flange being provided between said rear wheel axle and said rear wheel; and said presser flange is provided with a flange part in a radial direction of said rear wheel axle and to which a brake disc is mounted.