Thread: Ovalized Headtube option
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Old 03-19-24 | 06:13 PM
  #16  
FBinNY
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From: New Rochelle, NY

Bikes: too many bikes from 1967 10s (5x2)Frejus to a Sumitomo Ti/Chorus aluminum 10s (10x2), plus one non-susp mtn bike I use as my commuter

Originally Posted by Andrew R Stewart
Heat induced distortion is pretty common on head tubes. The majority of the weld or braze heat is mostly on one side of the HT. Although a .5mm difference is pretty big. Andy
Yes, that's true, but since the circumference is unchanged, it would still be a proper fit as the cup makes it conform.

Ovaling can ONLY cause a poor fit if metal is removed as I described above.

FWIW, if this is new, it's defective ,(opinion) by virtue of whoever did the prep.
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