The new flagship CS55 – the brand born from the cooperation between OTK Kart Group and Carlos Sainz Jr, Tony Kart Racing Team driver and now Ferrari F1 driver – chassis in Direct Drive, Shifter and DD2 versions, have been introduced. Several novelties are present – also in the other model reserved to the Junior and Senior classes, the TDX – including innovative fairings and brand-new braking systems. For the MINI classes, the Rookie is unchanged in the EVM and EVS versions, both evolved components

The CS55 Racing model year 2025 product range consists of three chassis models: CS55 MY 2025, TDX e Rookie.
The development of the technical innovations introduced by CS55 Racing is the result of the joint work carried out by the racing and R&D departments of OTK Kart Group. Their synergy has allowed all products to grow under the company’s historic philosophy: “Designed, Engineered, Manufactured, 100% made in OTK – Italy.” A “creed” that has always been applied in the Chassis Division of OTK Kart Group, in Prevalle, and that involves strict quality controls for the materials used, as well as the use of machine processes that guarantee both extremely high production standards and equality of the products.

CS55 MY 2025, THE FLAGSHIP MODEL CHANGES ITS SKIN
The benchmark of the CS55 Racing’s product range undoubtedly remains the CS55, evolved in its MY 2025 version. The body geometry, made with 30 mm tubes, is unchanged compared to the previous homologation, both for the Shifter and Direct Drive versions. The CS55 MY 2025 also brings several new technical innovations to debut. The most striking are undoubtedly the M11 fairings and the new BWD and BWZ braking systems. Also, the developments of the smallest details that need further refinement than in the past have been considered, as evidenced by the new aluminium chain tensioner, now attached to the bearing support.

IMPROVED AERODYNAMICS, THANKS TO NEW FAIRINGS
The new M11 fairings, which comply with the latest FIA regulations, are the result of the constant design, CFD simulation and wind tunnel testing work carried out by OTK Kart Group’s R&D department, combined with the numerous on-track tests carried out by the group’s reference racing department. This brings the all-new M11 …

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