Frame for 2-wheeler, especially bicycle, has profile section attached to at least one sleeve's outer surface with through openings, of which at least one opens into interior of at least one profile

摘要

The frame has profiles forming frame sections and sleeves joining the ends of the profiles. A profile section (6,9) is attached to at least one sleeve's outer surface has at least two through openings (7), of which at least one opens into the interior of at least one profile. The sleeve is an extruded profile and can be cylindrical. The sleeve can form a steering head (5).