| 摘要 |
PROBLEM TO BE SOLVED: To provide a technology for reducing the number of components of a vehicle body frame of a motorcycle.SOLUTION: A motorcycle includes a head pipe 21 and a main frame 25 extending to the rear side of a vehicle from the head pipe 21. The main frame 25 is a mono frame and has a circular cross section. At a rear end 26 of the main frame, a seat rail 27 is provided which is obtained by bending a pipe frame and is U-like being opened toward the rear side of the vehicle in a plan view. A pivot frame 35 is disposed under the main frame 25. Behind the pivot frame 35, a front end part 28 of the seat rail is joined to the main frame 25. |
