Link to Rays' website:
https://www.rayswheels.co.jp/product...=TE37V_MARK-II
Sizing ranges from 18x9 +8 to 18x22 -33 (negative 33)
Example:
Contrast with TE37 ULTRA in 19/20, which has concave faces and little lip
Note that the TE37SL is done, and the regular TE37 has been done for a while.
Rays is going forward with TE37 variants that have engravings on the faces to prevent knockoffs
ULTRA: machined ring + logo for 19/20 inch
ULTRA TOURER: same, but with more lip, limit sizes in 20
SAGA: machined logo, 18 inch, super concave