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Originally Posted by HenryA
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If everything outside the white box is of no concern, then stack and reach is perfect for you. |
If everything outside the box is a concern, then Stack and Reach is also perfect for you. Stack and Reach is used to measure the basic frame "cockpit" size using he center of the BB shell as a reference point. Likewise, the other dimensions outside the box (saddle setback, chainstay length, front center, BB height, etc.) also use the center of the BB shell as their reference point. Stack and Reach is simply a more consistent frame measuring system.