B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDECARS, FORECARS, OR THE LIKE
B62K3/00—Bicycles
B—PERFORMING OPERATIONS; TRANSPORTING
B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
B62M7/00—Motorcycles characterised by position of motor or engine
Stepwise automatic transmission for saddle riding type vehicle, power unit equipped with the same, and saddle riding type vehicle equipped with the same