Originally Posted by
chuckybb
I'm correct in assuming that I could fit a 130mm OLN rear hub on an old steel frame that has an existing 126mm hub? Could I just put a smaller left hand axle spacer on to make up the 4mm? Any problems with that?
You'll be moving the rim 2 mm towards the drive side, which will increase the imbalance in spoke tension. You'll have to find somewhere for the extra 2 mm of axle at each end - you might get away with doing nothing or it might foul the QR so you have to remove some axle.