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question to the enginerd types....
road bike headset press fit = 30.2
bmx headtube = 32.7
2.5mm lacking
wall thickness of 1.25mm required
brass tube is - as per the ebay advert
1-1/4" ( 31.80mm) Wall Thickness 1.5mm
the plan, cut a 8mm ring - heat it up on the cooker - brass expands well?
squezze it onto the cup in vice, file it down to 32.7
yes/no
is there a better material than brass to use?
why don't you just get a headset that fits - I here you say
1. the frame I just bought came with a welded in road headset!! - WANt to do it
2. the headset pictured was £17 delivered
3. looks ace
4. different