SPEEDCO M2 FRAMESPEEDCO M2 FRAME The Speedco aluminum M2 frame line is back with an update. It is aesthetically designed to resemble the brand's flagship model, the Velox Evo Carbon. The tubes are made of 7005 aluminum, double butted, and heat treated to reduce weight and increase strength. The down tube of the M2 frames is oversized and slightly tapered according to size to improve responsiveness and ensure maximum rigidity. The chainstay width follows this logic,
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