>>5289452Probably never unless you live in a really damp, humid climate. Besides which ThreeA's is coming with rubber tires too. If you're worried you could always smear them with Honda Shin-Etsu grease, it's what I've been using to preserve the unpainted rubber parts on my Hot Toys figures.
Anyone else see this on Mezco's site? I'm a total sucker for light-up control panels.