Regarding 35 & 50mm stems, where your hands want to be is at the point where the line through them intersects the axis of the steerer, so in a nutshell - If you roll the bars forward - 35mm If you roll the bars back - 50mm
Tried this, but it made my road bike look really weird and I crashed
@Dogs started
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Regarding 35 & 50mm stems, where your hands want to be is at the point where the line through them intersects the axis of the steerer, so in a nutshell -
If you roll the bars forward - 35mm
If you roll the bars back - 50mm