January 16, 2015, 06:09:15 PMI polished the hubs and also the spokes before zinc plating them. The rims are Royal chrome. I yellow zinc'd the spoke nipples to look like original brass, to not tarnish like brass and to hold up better than clear zinc. I sand blasted the interior of the hubs to experiment with a sand cast look. Not die cast but I like it. Contacted Royal yet Bert?