Bicycle shaft has a tube with an upper end with an insert and a toothed section on the upper surface of the insert

摘要

The bicycle shaft has a tube (10) with an upper end with an insert (101) and a toothed section (102) on the upper surface of the insert. Also an opening (103) in the middle of the insert has a longitudinal slit (104) in the front area of the insert in connection with the opening. A sideways tube (20) has one end with a clamping section (201) for fixing of an anchor (50) to the bicycle.