BBS Japan makes nothing but forged wheels. RAYS is the only one that prints a load rating on every size. WORK is the multi-piece specialist. And at 18 inch the forged-versus-cast gap is bigger than any gap between the brands.
Volk Racing ZE40 vs TE37: The Comparison Nobody Sets Up Correctly
The wheel RAYS sells as plain TE37 today is 13 and 14 inch only. The one you are picturing is a derivative. And the kilogram figure on the spec sheet is a load rating, not a weight – which is why nobody can tell you which is lighter.
RAYS TE37: Real or Fake, and What SL and V Actually Mean
The 37 in TE37 is a weight — 3.7 kg, on a 15-inch wheel, in 1996. SL means Super Lap and is still forged, contrary to a persistent myth. V means Vintage. And the most reliable fake tell is geometric: on a genuine wheel the lug holes sit at an angle to the spokes.
RAYS: A Company History Told in Forging Presses
RAYS installed six forging presses between 1986 and 2004, the largest rated at 10,000 tons – and publishes every one of them in its official history. A brand profile built from the group’s own Japanese-language corporate records.