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The Radiator AF R UNO BIG embodies the excellence of cooling in competition karting. He is Designed and manufactured 100% in Italy by the AF Radiator teams, using HIGHTECH MATERIALS FROM THE WORLD COMPETITIONS GT, ensuring extremely high level of performance, reliability and finishing.
Developed to meet the requirements of the most severe conditions, the R UNO BIG offers a upper cooling capacity, while maintaining a perfectly mastered weight of 2,39 kg, ideal for high-level competitions in summer.
The Radiator AF R UNO BIG benefits from advanced technical solutions:
Wavy closer and ultra light, considerably increasing the heat exchange surface
Double-flow system with "U" forced recirculationensuring homogeneous and constant heat dissipation of heat
Entrance and outlet of V-shaped water, designed to direct the fluid on the entire radiator mass
Maximum operation of the entire radiation surface for optimum thermal efficiency
Each radiator is hand-made, with special attention given to every detail, ensuring consistent quality and high performance.
The Radiator AF R Uno Big is recommended for all categories of kart:
OK
Kz
It is used and recommended in the Karting Championships, the Italian Cup, the Italian Championship, the European Championship, the World Championship, as well as WSK, ACI and FIA competitions.
Summer
This model is specially designed to provide maximum thermal stability at high ambient temperatures and very demanding races.
Dimensions: 450 × 300 × 50 mm
Weight: 2,39 kg
The radiator AF R UNO BIG is delivered complete with:
Cap
CNC machined aluminum supports, cut in the mass
Supports available in Red, blue and silver
100% Italian manufacture
HIGHTECH MATERIALS FROM THE GT COMPETITION
Very large cooling capacity
Excellent thermal stability by strong heat
Hi-quality craft finish
Suitable for national and international competition
To ensure optimal performance, preserve the reliability of the engine and ensure a compliant installation, it is recommended that the radiator assembly be entrusted to a karting professional, in particular for a competitive use.
| Features | R UNO STANDARD | R UNO BIG | H1 standard | H2 Big | Af2 |
|---|---|---|---|---|---|
| Mark | AF RADIATOR | AF RADIATOR | AF RADIATOR | AF RADIATOR | AF RADIATOR |
| Range | Premium ultra light | Premium strong heat | Versatile | High performance summer | High-end competition competition |
| Manufacturing | 100% Italy | 100% Italy | Italy | Italy | Italy |
| Categories | OK / KZ | OK / KZ | OK / KZ | OK / KZ | OK / KZ |
| Technology | Double flow + recirculation in "U" | Double flow + recirculation in "U" | Bi-flow | Bi-flow | Flow optimized by geometry |
| Cooling principle | Corrged close + V Input / Output | Corrged close + V Input / Output | Forced recirculation in U | Forced recirculation in U + increased mass | Large radiation surface |
| Radiant heart | High ultra light density | High density increased volume | Light | Extra Light (upper volume) | High efficiency |
| Cooling capacity | Very high | Very high | Very good | Excellent | Very high |
| Thermal stability | Excellent | Excellent | Very good | Excellent | Excellent |
| Performance by strong heat | Very good | Excellent | Good | Very high | Very high |
| Aerodynamic | Optimized | Optimized | Optimized | Optimized | Advanced |
| Dimensions | 430 × 240 × 40 mm | 450 × 300 × 50 mm | 435 × 242 × 48 mm | 435 × 290 × 48 mm | 440 × 300 mm |
| Weight (kg) | 1.6 kg | 2,39 kg | 1.94 kg | 2,25 kg | Non-communicated |
| Cap | Included | Included | Included | Included | Included |
| Media | CNC aluminum | CNC aluminum | CNC aluminum | CNC aluminum machined in the mass | Standard accessories |
| COLORS MARKETS | Red / Blue / Silver | Red / Blue / Silver | Red / Blue / Silver | Red / Blue / Silver | Standard |
| Ideal seasons | All seasons | Summer | Spring / fall / winter | Summer | Summer / strong heat |
| Recommended use | High level competition | Strong heat competition | Competition / training | Summer competition | Elite competition |
R UNO STANDARD : Ultra light premium radiator, ideal for maximum performance with weight gain.
R UNO BIG : Large capacity version, designed for strong heat and summer competitions.
H1 standard : Versatile and light radiator, excellent value for money for wide use.
H2 Big : High performance radiator dedicated to high temperatures.
Af2 : High-end radiator focused on maximum thermal performance and advanced aerodynamics.
To ensure optimum efficiency and preserve the reliability of the engine, the assembly must be carried out by a karting professional, in particular for a competitive use.
The new coast protector Sparco Pro-Carbon meets the all new requirements of the FIA.
Flexible and lightweight carbon shell that adapts to the shape of the body in Kart's seat.
Internal moss of hypoallergenic material.
Very effective against shocks and vibrations.
Ergonomic form. New materials developed by Sparco.
Elastic adjustment straps for a more accurate and easy adjustment.
Clamping straps on the elastic side for better adjustment.
Flexible dorsal panel.
Pannel Nasseau OTK M11 Naked Homologation 012.BP.70
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Demi étrier de frein V08 gauche avec raccord CRG. Il presse les plaquettes sur le disque pour ralentir le kart.
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Made ofchrome-molybdenum steel with tubes of Ø30 mm, this chassis offers an excellent compromise between rigidity, steering precision and performance on all types of circuits. Its design allows a very high precision of adjustment, making it a chassis particularly appreciated by drivers and competition teams.
TeamedBWD rear brake system with Ø180 mm disc, it guarantees a powerful, progressive and constant braking even under the most demanding conditions. The many processed and anodized aluminium and magnesium components ensure lightness, reliability and performance.
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The KG BOOSTER air box is one of the most successful on the market, specially designed to offer a maximum air flow While respecting the FIA standards in force.
Equipped with Internal filter PO37 sprintIt guarantees an extremely low pressure drop, allowing the engine to breathe fully and to express its potential, both on the boxes with box (Kz) and on the mono-speed categories (OK - OKJ - OKNJ).
Thanks to his Innovative internal design, the KG Booster combines performance, noise reduction, particle control, and Optimization of the airflowWhat makes it a reference for competitors looking for the best of Italian technology kg.
Discover this Exclusive Burago Pack including 4 monoplaces of Formula 1 at 1/43 scale, representing some of the most emblematic pilots of the current grid. An ideal set for collectors, F1 enthusiasts or to offer a complete and spectacular gift.
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Take an essential garment and give it a real touch of racing. No clothing will accompany you as far and in as many circumstances as the classic T-shirt, so make sure it reflects your passion while highlighting you. The Scuderia T-Shirt Ferrari RP Team Tee is a must for all Scuderia fans Ferrari.
Take an essential garment and give it a real touch of racing. No clothing will accompany you as far and in as many circumstances as the classic T-shirt, so make sure it reflects your passion while highlighting you. The Scuderia T-Shirt Ferrari RP Team Tee is a must for all Scuderia fans Ferrari.
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Made in Treated and treated steelthis disc is Optimized for active cooling, thanks to his Integrated ventilation fins, which allow a rapid dissipation of heat. This guarantees a Constant and reliable brakingeven during the most intense sessions.
The OTK 50 mm 180x13 Magnesium - BWD brake disc holder, new 2025, is an essential part for chassis from the OTK group, including Tony Kart, Kosmic, Exprit, Carlos Sainz, EOS, and Red Speed. Here's some more information on this product:
The Radiator AF R UNO BIG embodies the excellence of cooling in competition karting. He is Designed and manufactured 100% in Italy by the AF Radiator teams, using HIGHTECH MATERIALS FROM THE WORLD COMPETITIONS GT, ensuring extremely high level of performance, reliability and finishing.
Developed to meet the requirements of the most severe conditions, the R UNO BIG offers a upper cooling capacity, while maintaining a perfectly mastered weight of 2,39 kg, ideal for high-level competitions in summer.
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