Join Date: Oct 2003
Location: Northern Virginia - just south of the normal people
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If you did this, you would own the title "king of parts swapping and cheapness."
The only problem I've ever had with pulling cranks is that you can occasionally pull out the threads on the crank arms if the cranks are: 1) cheap 2) old and 3) you cross-thread or don't screw in the removal tool all the way.
I make it a point to lube everything on the crank puller so that the round plate that pushes against the taper doesn't bind and exert uneven force against the treads.
When it comes down to it, most cranks are aluminum and aluminum fatigues over time. Those threads aren't very thick so I would guess you could wear them out if you were pulling the cranks every weekend.
On the other hand, you will probably leave a pair on your favorite bike and end up rotating a pair to a different bike every now and then. This probably isn't a big deal.
Someone will have to call the Myth Busters to get a definitive answer to this one.
"I don't want to learn. The more you drive, the less intelligent you become."