Positivo Pages

25 March 2008

Build your own Carbon C-Thru Road Frame




The structure of the frame is completely made from solid carbon fiber rods, except for titanium rear dropouts and 7075 aluminum alloy inserts for the BB and the headset cups. During construction, all the beams were bonded together in the frame jig, with systematic and precise control of the position and alignment in the structure and the overall geometry of the frame. Once all carbon beams were bonded together with special epoxy resin, each joint was lashed with carbon fibers to ensure their strength. This was almost surgical work, really requiring a lot of patience. The critical parts of this frame were the connections of the "main tubes", mainly head tube and BB area. Then, each joint was softly sanded to have a smooth shape. On the frame, there are more than 300 joints, this painstaking work took about 300 hours.

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