Hammerite is the devil's work
I used PJ1 engine paint and it has held up pretty good but that was satin black.
One bloke i know just paint stripped the old paint off and left them bare and they still look great too.
I paintstripped my rear mastercylinder to leave bare and 2 years on is still perfect,just a bit of metal polish every now and then
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Had this Aprilia caliper beadblasted then buffed it up a bit and looks grand
