Hey, i was going to buy some Quax 10 spline cranks, but i see their only comming in 170mm’s now. My borther spawned the idea, Why not cut them, then weld them? I didnt think too much of it, i thought of it would kill the strength of them. Then, my dad was talking to me, and said, if done right, they’d be just like new. He welded for about 15-20 years for a company in town, so he knows what hes talking about for welding. I just wanted a second opinion to the question,
Would this weaken the cranks? Thus possibly being able to snap them?
One problem I see is getting the pieces lined up just exactly right.
With a piece of mystery metal, you never really know what you’re getting into. If the cranks are a high-carbon steel or are a heat-treated alloy steel or aluminum, they might be weldable, but you might need to repeat the heat treatment after the welding.
I would think you’d want to make the weld out near the pedal end where forces are lower.
yeah, im sure my dad could get em straight and strong. So i’m gonna buy those later today, but right now, i’m gonna practice some street stuff on it with the wobbly cranks, it shouldnt hurt it at all, considering its just gonna be unispins.