Patent ID: 7097190

Claim:
A bicycle comprising: a bicycle body frame including a pivot section, a swing arm structure, a rear wheel, a transmission comprising: a drive rotation body, a crankshaft, a plurality of gear-change rotation bodies, a gear shifting mechanism, an output shaft, wherein said output shaft is spaced forward from said crankshaft, a gear-change band, and an operation rotation body alternatively selected from the plurality of gear-change bodies by the gear shifting mechanism, a transmission case attached to the bicycle body frame and enclosing the transmission and an output band, wherein the swing arm structure swings about the pivot section, and the swing arm structure supports the rear wheel, wherein the drive rotation body is rotatably driven by the crankshaft, and the drive rotation body is drive-coupled to the operation rotation body by the gear-change band, wherein the output shaft is rotatable and is drive-coupled to the plurality of gear-change rotation bodies, wherein the output shaft is drive-coupled to the rear wheel by the output band, wherein said output shaft is spaced forward from said crankshaft, wherein at least one rotation body is supported by the transmission case, and wherein the pivot section is located within the gear-change band and the output band when viewed from the side.