By buying this product you can collect up to 89 loyalty points. Your cart will total 89 points that can be converted into a voucher of €8.90.
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.
TheFull-strings OTKis designed to perfectly wrap the transmission of your kart (pinion, chain, crown). Mandatory in most competitions, it provides maximum protection against projections of grease and debris. In the event of a high-speed chain failure, it plays an essential shield role to protect the driver and chassis.
BENGIO Bumper V2020 is an essential part for all karting drivers, whether in competition or at leisure. More colorful and modern, this model has been redesigned to offer optimal protection while remaining comfortable and adjustable.
The Iame X30 pinion Origin is designed to equip X30 engines by ensuring reliable and efficient transmission. Using accurately, it provides optimal haling with the chain and perfect compatibility with the original configurations.
His assembly is done with 4 screwsensuring secure attachment on the motor axis.
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 BSS front brake disc OTK is an original manufacturer braking component (Original OTK Kart Parts), specially developed for front braking systems BSS which equip the group competition chassis OTK (Categories with KZ gearbox and DD2 direct transmission motors).
Made in an exclusive high-carbon steel cast iron alloy at the Italian factory, this disc enjoys an advanced ventilated architecture. Its internal channels are optimized to extract hot air and cool the front train during massive deceleration phases at the end of straight line
TheIame x30 14 × 44 mm piston axis is one Original Iame motor partspecially designed for karting engines X30. It guarantees precise adjustment, optimum reliability and perfect compatibility with engine specifications.
This element is essential for the proper functioning of the piston / rod assembly and contributes directly to the longevity and engine performance.
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.