Cannondale Frame Welding

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Cannondale frame welding. Cannondale used two different formats in these years. The first format uses a number containing frame size production date and sequence number. Cannondale have been making caad cannondale advanced aluminum design bikes since 1983 and those 27 years of evolution have resulted in a sophisticated looking lightweight frame. Digits 3 to 8 represent the production date in a mmddyy format.

Frame cannondale was always known for the smoothness of its welds and it s nice to see that s still the case the junction between tubes is so smooth you d be forgiven for thinking the. Cannondale says this about it. Steel 14g black. This video shows the details of how a high end aluminum bicycle frame is fabricated and welded.

The st500 was the first cannondale bike launched in 1983 and it revolutionized the biking industry. Our most obsessively advanced alloy construction for when every last gram matters. All the metal forming and welding tricks of our c1 construction but made with 6069 aluminium alloy rather than 6061. Cannondale disc lightweight alloy double wall 20 29mm inner width 28h.

Kt alloy nutted axle 7 speed freewheel rims. Bike and frame weights may vary in final production. This was the first time a manufacturer worked with tib welding for bike. Cannondale lightweight alloy 20 28h spokes.

The premium smartformed alloy and standard optimized alloy. The frame is made from what cannondale calls smartform c1 premium alloy. Cannondale has won numerous design awards including the publisher s award for innovation from bicycling magazine citation needed technological development of the year award from velonews. Cannondale has two types of aluminum frames.

Smartform construction techniques deliver incredibly precise wall thickness distribution and tube shapes concentrating material exactly where needed to maximize stiffness and strength while shaving every last extraneous gram from the structure. For example the serial number 56020588132 indicates a frame built on february 5 1988.