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- Vendor OTK
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CS55 (Carlos Sainz) MY2025
A New Era of Innovation and Performance
The CS55 (Carlos Sainz) MY2025 represents the latest evolution in OTK’s world‑leading chassis technology — a perfect fusion of precision engineering, aerodynamic refinement, and race‑winning pedigree. Built in Italy by the OTK Kart Group, the CS55 carries the same DNA that has powered champions across the globe.
Now available in South Australia through Kartbay, local drivers can access the exact machinery that’s delivering titles on the international stage.
Proven on the Track, Winning Around the World
When you invest in a CS55 MY2025, you’re not just buying a chassis — you’re buying into a legacy of performance. In 2025 alone, OTK has achieved:
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X30 Pro Title in the USA — dominance on one of the toughest grids worldwide
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Three consecutive round wins in the Australian Karting Championship across KA2 and TaG classes
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Victory at the prestigious Kartmasters UK 2025 — proving superiority in Europe’s most competitive fields
These results are no accident — they’re the product of world‑class engineering and relentless pursuit of perfection.
The 2025 CS55 MY2025 – Flagship Evolution
The CS55 is designed with 30 mm tubing and refined in every detail to deliver maximum performance and consistency.
Key Highlights:
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All‑new M11 aerodynamic fairings for improved airflow and stability
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Upgraded BWD & BWZ braking systems for unmatched stopping power
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Refined aluminium chain tensioner for reliability under pressure
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Available in Shifter and Direct Drive versions
Aerodynamics – M11 Fairings
Developed using CFD simulations, wind tunnel testing, and extensive track validation, the M11 fairings deliver measurable aerodynamic gains while meeting FIA regulations. Paired with M10 side bumpers and rear protection, they ensure stability and efficiency in all racing conditions.
Braking Performance – BWD & BWZ Systems
For 2025, braking takes a leap forward with:
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BWD (single‑speed) and BWZ (gear & DD2) systems
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Dual disc options: 180 mm or 206 mm
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Improved heat management and consistent pedal feel
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Confidence to brake later and harder without compromise
Why Buy from Kartbay?
As South Australia’s exclusive CS55 (Carlos Sainz) dealer, Kartbay offers:
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Access to the same equipment winning titles worldwide
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Local setup advice and racing expertise
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Genuine OTK parts and prompt after‑sales service
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Flexible payment options: Visa, Mastercard, Shop, Afterpay & ZIP Pay
When results matter, the choice is clear — CS55 MY2025 through Kartbay is the winning formula.
Specifications
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Frame Material: Chrome Moly
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Tube Diameter: 30 mm
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Wheelbase: 1045 mm
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Rear Axle: 50 mm x 1030 mm (Type N)
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Stub Axles: 25 mm
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Brake System: BWD with DOT 5.1 lubricant
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Bodywork: M11 Nose Cone, M11 Nassau Panel (CIK‑FIA homologated), M10 Side Pods & Rear Bumper
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Graphics: 2025 CS55 factory design
Supplied Accessories:
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Magnesium components
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MXJ magnesium wheels
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Front torsion bar
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HGS steering wheel
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OTK kart seat
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8.5 Litre OTK fuel tank
Shown with optional equipment – engine, radiator, and tyres sold separately.
We appreciate your business and are committed to providing you with exceptional service and timely delivery. Please review the shipping information below for your order.
Order Processing Time:
Orders are usually processed within 24-48 hours after the order has been placed.
Custom or special order items may take longer to process, typically 3-5 business days.
Shipping Methods:
Standard Shipping (3-7 business days)
Expedited Shipping (2-3 business days)
Express Shipping (1-2 business days)
Packaging:
Rest assured that all items will be securely and safely packaged to prevent any damage during transit. Fragile or high-value parts will be packaged with additional protective materials, such as bubble wrap or foam padding.
Shipping Rates:
Shipping rates vary based on the size, weight, and destination of the package. You can view the estimated shipping costs for your order during the checkout process before placing your order.
Order Tracking:
Once your order has been shipped, you will receive an email with the tracking number and carrier information. You can also track your order status by logging into your account.
International Shipping:
We ship worldwide! Please note that international shipping rates and delivery times may vary based on destination. Customers are responsible for any customs fees, import taxes, or additional charges that may apply.