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I have a QR Superform that measures a 70-degree seat tube angle. Is that even possible? I thought all Superforms were 80-degrees.
I'm measuring with a protractor level to the ground at the bottom bracket.
A 70 degree seat tube angle sounds like a mistake.
I thought the measurement was a mistake too, but I measured multiple times, and also got the correct 78-degree measurement from my Cervelo.
In any case, it's not even close to 80-degrees. And just from looking, the QR is a lot shallower than the Cervelo.