Bicycle frame has end component that is made of the same material as that of a connector to which the end component is connected

摘要

The bicycle frame (2) has multiple connectors made of a metallic material and a composite material joining the frame tubes (3) end to end together into bicycle frame. Each end component (5) is made of the same material as that of a connector to which the end component is connected. The frames tubes are formed of strips made of woody material adhered together in parallel into a bunch and cut into having an appropriate cross sectional shape.