Neither WORK nor SSR runs the rebuild service people assume. WORK offers dealer-only rim exchange with model-specific limits; SSR tells owners not to disassemble at all. Here is what the real third-party trade costs, and the honest answer on JWL and VIA.
SSR Professor SP1 vs SP1R vs Type C: What Actually Differs, and How to Check a Set
SP1R is not a different face – SSR’s own Japanese copy calls it the full-reverse-rim model. Type C is not a Professor at all. Plus the JAWA mark trap that makes genuine pre-2020 SSRs look wrong, and a test of the export-model theory.
SSR: The Initials Are a Race Team That No Longer Exists
SSR stands for Speed Star Racing — a works team that won its All-Japan F2000 debut in 1977 and stopped racing in 1995. The company behind it failed in 2005 and was bought by a suspension manufacturer. The three-piece wheels are still made in Yao, Osaka.