company– archive –

Since our founding, TSR has consistently pushed boundaries with a single, unchanging vision: "To compete on the world stage."Racing is far more than just a quest for speed. It is about pushing the absolute limits, refining our technology...

TSR is a group of technical experts dedicated to developing, manufacturing, and selling high-performance parts, built on the technical strength and experience forged through our racing heritage. Our mission is to channel the insights ref...

Having conquered the FIM World Endurance Championship (EWC), TSR continues to push the limits. Based in Suzuka, Mie Prefecture—the heart of Japanese motorsports—TSR (Technical Sports Racing) is a premier motorcycle parts manufacturer and...

Introducing "TSR CAFE"—now open right next to Suzuka Circuit on the grounds of the TSR Headquarters!Our spacious, high-ceilinged lounge offers a relaxed atmosphere where you can get up close with legendary TSR memorabilia and actual EWC ...