Seat tube for a bicycle comprises a vertical tube made from a fiber-reinforced material and having a joining section on an upper side and a head made from a fiber-reinforced material

摘要

Seat tube (10) comprises a vertical tube (20) made from a fiber-reinforced material and having a joining section on an upper side and a head (30) made from a fiber-reinforced material having an inner chamber and a bushing section on a lower side. The bushing section is placed on the joining section on the vertical tube so that the inner chamber of the head is connected to the inside of the vertical tube. Preferred Features: An inner tube is arranged around a connection of the vertical tube and the head and is connected with the vertical tube and the head.