| 摘要 |
PROBLEM TO BE SOLVED: To provide a speed detection device of a vehicle with no effect on precision in mounting position.SOLUTION: A speed detection device of a motorcycle 10 includes a wheel 17 constituting a front wheel that rotates around an axle 13 of a car body, a rotor 21 which is fixed to the wheel 17 with a plurality of slits formed along circumference with an interval, and a wheel speed sensor which is arranged on a car body side to face each other, with a gap relative to the slit of the rotor 21 in car width direction, for detecting vehicle speed based on the rotational speed of the rotor 21. The rotor 21 is casted in the wheel 17. |
