The latest decades includes vehicles with over 500 hp, has about 2 ton chassis weight, and has marvel performance to be equal racing car often appears in the city. To cater to the demand, TE37Ultra 20 inch was added to the lineup, with 19 inch afterwards. In addition, in 2016, the TE37Ultra Track Edition with machined side pockets achieved -200g weight loss with a center cap less specification.In 2019, a further lighter model of TE37 Ultra Track Edition 2 debuts in the TE37 series, destined to be a required evolution. RAYS analyzed useless weight again, and achieved decreased weight of center part of wheel (root of spoke) with analytic technology from developing the WEC LMP-1 and Super GT GT500 class competition wheel. It just 60g, but it indicates evolution. As a colour feature, RAYS’s new colour Blast Black is adopted. And this model can install center cap to accept demands for those who want to enjoy driving on the street.