Patent ID: 8002068

Claim:
A motorcycle comprising a body frame; a pivot shaft provided in the body frame; a swing arm swingably mounted on the pivot shaft; a rear wheel mounted on a leading end of the swing arm via a rear axle, which is operable to rotate with said rear wheel; a drive shaft disposed in the swing arm; said drive shaft being configured to transmit a rotary drive force of an engine of the motorcycle; a final gear transmission mechanism interposed between the drive shaft and the rear wheel; said final gear transmission mechanism being configured to transmit the rotary drive force of the engine to the rear wheel; and a disk brake attached to a first end of the rear axle such that said disk brake is gripped by the first end of the rear axle and the rear wheel; wherein the final gear transmission mechanism includes: a gear case mounted on the leading end of the swing arm for supporting the rear axle for transmitting the rotary drive force of the engine to the rear wheel; a first end bearing and a second end bearing attached to the gear case for supporting the first end and a second end of the rear axle, respectively; a ring gear mounted on the rear axle for transmitting the rotary drive force of the engine to the rear axle; a first end holding portion attached to the gear case for holding the first end of the rear axle via the first end bearing in an axial direction of the rear axle; and a fastening member for fastening the second end of the rear axle via the second end bearing from the outside of the gear case; and the second end bearing having an inner race, which rotates with said rear axle; and an outer race, which is fixed to the gear case; said inner race being fastened to the rear axle by the fastening member.