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I couldn't say for certain, but I would think it risky: chrome is brittle and you have to bend the stays far beyond 130mm to set them.
I can say that if you ride a 126mm frame with a 130mm wheel, then it will eventually "self-set" to closer to 130mm so that getting the wheel in and out becomes easier.
tl/dr
Risk/reward analysis says no. -
Should be pretty straight forward TBH. Seen much older frames go from 120-130 (that's stronging it imho but it can be done).
Remember that the stays will bow from the bridges as the bending will start below. Sometimes this can look completely wank. The pro way is to take the bridges out and cut new ones to fit the wider spacing.
I'm looking to get my 80s Daccorddi Columbus SLX frame cold set at the rear from 126mm to 130mm.
The rear triangle is chromed.
Is there any risk that the bending process will fuck the chrome, making it flake or any other bad side effect?