Patent ID: 8328219

Claim:
A bicycle frame, comprising: a pedal hub connection part ( 2 ); a frame column part ( 3 ); and a separate front fork ( 7 ) with a head tube ( 7 P); one or several openable head tube connection parts ( 5 ) for openably connecting the front fork ( 7 ), and the openable head tube connection part ( 5 ) has an unrotatable connection element ( 21 ) connected to the connection part for unrotatably connecting to the head tube ( 7 P) of the front fork ( 7 ), the head tube ( 7 P) has a bearing assembly ( 19 ) for rotatably connecting the front fork ( 7 ) and the head tube ( 7 P) to each other, and the front fork head tube ( 7 P) is connected to the bearing assembly ( 19 ) from an inner side of the bearing assembly.