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Old 09-19-2012, 07:32 AM
wayne z's Avatar
wayne z wayne z is offline
Motorized Bicycle Elite Member
Join Date: Dec 2010
Location: louisiana
Posts: 1,746
Default Re: Cold bending 1 piece cranks?

I used an aceteleyne torch with a #2 tip. This puts out enough heat to quickly get it to a dull red for bending. A propane or mapp will take much longer and the BB will have time to absorb more heat, but might work if you remove the crank from the bike.
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