Thread: Aluminum coefficient of thermal expansion?

Quote: Originally Posted by BentChainring EEK! Cryofits gone wrong at work usually end up being removed with large hydraulic jacks. We use LOTS of LN2 for ours... Next time try Dry Ice and Methanol. Stay with the 250F, I wouldnt go much above 250 or 300 with heat treatable aluminum alloys for more than 2-5 minutes. Might need to be getting a new steerer. Wait.. is the steerer Steel? The steerer is aluminum.

Quote: Originally Posted by LarryG The steerer is aluminum. Its stuck. It will expand at the same rate. If its cost effective, cut the steerer out, and try again. This time with more thermal advantage. And be quick about it. Wait... how is it supposed to be installed normally?

It's worth a try to throw it in the oven and then try to seat them. Much easier if you have an arbor press. If worse comes to worse you can always cut the steerer and remove it from the crown.