Originally Posted by phil_boy
that's because the SW's have flat black finish while the ROTA's, i think have bronze and gunmetal finishes only. but believe me i've seen one, after painting it with flat black, you can't tell which is which. that's of course only applicable with the 15's, 'cause if you look closer to the 16's you'll notice that it has a different look with the 15's so it's easy to distinguish an SW 16's to a ROTA Sliptream 16's. BUT NOT THE 15'S.

If you look closer, the 15's and the 16's Rota Slipstreams have a different lip pattern.
The SW388/Regamaster EVO have a distinguished cleaner lip and slightly bigger spokes.