
Tony Kart Racer 401T
The Flagship Model from the OTK Kart Group
The Tony Kart Racer is the flagship model from the OTK Group and the “T” evolution expresses the most refined and detailed example of perfection for a kart chassis. As always the Racer is available in single gear, shifter and DD2 specifications.
The Racer represents the winning spirit of Tony Kart. Since 2004, the various evolutions of this model have collected 9 world titles (two of them, in OK and KZ, won in 2021) and several other international titles in all categories. The new 401T has the task of continuing this successful story and to do so it introduces several new features and product refinements. Above all, the new M11 fairing kit and some technical details that aim to improve the driving position. Aesthetically, the new sticker kit and the M11 number plate spoiler, are now in green. On the other hand, the cornerstones of the philosophy at the base of the whole project remain unchanged: top quality materials, technologically advanced processes and constant development carried out on the basis of the information gathered by the Tony Kart Racing Team in the most important international competitions.
For several years, OTK Kart Group's R&D department has been focusing its attention on the aerodynamic refinement of its products, through CFD computer simulations and in-depth wind tunnel tests. This work initially led to the introduction of the M11 number plate spoiler, with its innovative design and ability to reduce aerodynamic resistance, resulting in increased performance. The M11 is now combined with the new M11 fairing kit to further refine the aerodynamic profile of the Racer 401T. The weight-saving side bumpers have been streamlined to aid rear tyre cooling. In addition, the front spoiler and the rear protection, adjustable in width, meet the latest FIA regulations. Not to forget is the "integral" floorplate, already featured on the previous Racer 401 RR model, which further improves aerodynamic efficiency.
The driving position is a fundamental aspect for every driver and, for this reason, OTK Kart Group's R&D department works constantly to implement continuous improvements in this concern, refining even the smallest details. In particular, with the Racer 401T it is possible to adjust the footrest with more flexibility, furthermore new seat supports have been introduced. Unchanged, instead, is the HGS steering wheel, already present in the previous 401RR, equipped with high grip and comfort rubber grips, which considerably improve the driving sensibility while driving. The steering wheel is combined with an angled hub for a fully ergonomic driving position.
The use of selected materials of the highest quality as well as their processing through automated machines and processes that ensure the full reproducibility of each component, always assuring the highest quality standards: these are the principles at the base of OTK Kart Group's productions. These values are more fundamental than ever when it comes to KZ braking systems, the category in which Tony Kart became world champion and vice-world champion in 2021. In this category, the braking capacity plays a fundamental role in terms of performance and the BSZ system, equipped with monobloc calipers, front with 4 Ø 22 mm pistons and rear with two Ø 34.5 mm pistons, has proved with results to be the technical reference. With the arrival of the Racer 401 RR, however, Tony Kart adds as standard, a second system for the shifter categories called BSZ, able to offer a greater braking modulability. For the DD2 version, on the contrary, the reference system remains the BSS only.
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Racer 401T RF

Racer 401T Rear

Racer 401T Right

Racer 401T Nassau Panel

Racer 401T Caliper

Racer 401T Castor/Camber

Racer 401T Exhaust Support

Racer 401T Left

Racer 401T Front

Racer 401T Steering Column

Racer 401T LR

Racer 401T LF

401T Stub Axle

Racer 401T Master Cylinder

Racer 401T From Above

Racer 401T KZ Brake Balance

Racer 401T Floor Tray