Headtube ID tolerance?
Hi all,
This isn't strictly related to my framebuilding, but thought I'd ask here as there's probably more expertise than on most other forums..
I've acquired a brand new frame (not mentioning manufacturer for now) and I'm not sure whether to be concerned by the headtube (standard 1 1/8ths) being slightly out of round / ovalised.
Along the plane of the frame (so along top tube), the ID of the top of the headtube is 34.1mm. At right angles to this, it's 33.6. So it's a bit off. Am I right in thinking this is unacceptable..? Headtubes are usually reamed to more like 33.8mm, right? So with a headtube that's 34.1 in one direction, the headset is always going to be a loose fit here, no matter what I do?
Measured at the bottom of the headtube, it's more like 33.90 and 33.65mm.
Thanks!