Originally Posted by
dobber
Why? If you can't get a pedal off with an 8mm wrench, then you put it on wrong.
I didn't put them in. It was my LBS when the bike was built up and they know how to install pedals. And I did get them off - eventually. I have a twisted 8mm allen wrench to prove it.
The task is made far more difficult if they don't have 15mm wrench flats.
Since I teach physics I am qualified to say this: You need to review your high school physics. The chapters on levers and mechanical advantage