In a gearbox of a twin clutch type, dog portions of a movable gear and a fixed gear, which are disengaged once from each other in a transmission mechanism on a side that is disengaged at the time of a gear shift, may be re-engaged with each other. Provided...

A transmission having a plurality of clutches (C1, C2) includes a first clutch (C1) for connecting and disconnecting transmission of driving force to a first input shaft (31) including a driving gear (G1, G3, G5) configured to be engaged with a driven gear...