Alternative speedline centercaps ?

[TC.]

Need a set of black centercaps for 16" Speedline Chronos but they dont do black, so rather than have to spray over a £30+ set of centercaps I thought some plain universal ones might do the trick. Can anyone advise ?

cheers

 

[TC.]

Anyone know what size I should be getting here ...

http://shop.ebay.co.uk/mr.froody/m.html?_trksid=p4340.l2562