It's not the same kind of spring as in a QR - it's a torsion spring you need, like the one in canti/V-brakes. It'd probably be worth harvesting bits from knackered old mechs in your LBS if you can.
Good shout. I'll have a nose
@dapthechap started
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It's not the same kind of spring as in a QR - it's a torsion spring you need, like the one in canti/V-brakes. It'd probably be worth harvesting bits from knackered old mechs in your LBS if you can.