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Welcome to Magickart, the reference destination for all karting enthusiasts, leisure at the national competition. More than just a single store online, Magickart is the result of a field expertise dedicated to optimizing your chassis and your engine. All the universe of karting in one click
We have selected the best market references for you to guarantee reliability and chrono:
Chassis & accessories: Specialist OTK (Tony Kart, Kosmic, "wished), Birelart, CRG. Find our [Biellettes de direction], [Cales de train BSS] and our exclusive components like our [Palier de colonne alu à roulement intégré].
Motorization: A complete stock for your engines Rotax Max EVO, IME X30, and TM RACING (Kz / OK). Of the [Bougie Platine] at the smallest [Circlips de pignon], we have the room you need.
Pilot equipment: Roll safely with the style "factory" thanks to our ranges Sparco and Alpinestars.
The Expert Board: Each product is validated by our team. You have a doubt about a front train setting or a carburation? We are here to guide you.
Real stock & express delivery: Because a race does not wait, we ship your orders in 24 / 48h with rigorous monitoring.
Fidelity program: Each purchase on the site brings you points for your future engine revisions or tire trains.
Magickart: The passion for detail, the culture of the wins.
In karting, the choice of the length of the hub (here 75 mm) directly influences the leverage exercised on the axle. A longer hub (75 mm versus 40 mm) changes the rear train rigidity and expands the path without necessarily using spacers. For the mini / cadet categories (25 mm axle), it is a centerpiece to find the good compromise between grip (adhesion) and curve passage speed.
The hub of 35 mm long is considered a "short hub". In karting, The choice of hub length is a fundamental adjustment tool:
Short hub (35 mm): It offers less contact surface with the axle than models of 75 or 90 mm. This usually allows to have a "freer" behavior of the rear train, Helping the chassis to be free from curve, Ideal on tracks with a lot of grip (adhesion).
The hub of 40 mm long is often considered the "standard" or "versatile" value on adult karts equipped with a 30 mm (x30, axle, Rotax, Kz, ok). Unlike very long (75-90mm) hubs that considerably rigidify the rear, or the very short (35mm) that fully freed the chassis, the 40 mm Offers neutral and healthy behavior, ideal for starting a setting session before refining.
In karting, switching from a standard hub (40 mm) to a longer hub (75 mm) is a common technique for adjusting geometry. The 75 mm allows:
Raise the back path Without adding spacers (the hub itself makes the wheel bears later).
Increase side rigidity: The lever arm being longer, it exerts a more direct stress on the axle, which helps to load the outer rear wheel in turn further.
Improve motor skills: This is the ideal setting if you feel that your kart is missing "grip" out of curve.
With its 125 mm longThis hub is designed for configurations requiring significant wheel offset or increased rear train rigidity.
The axle 40 mm: Standard on some club chassis or specific categories, it requires hubs suitable for this diameter.
The length 125 mm: It's a "long" hub. It offers colossal support. It is ideal if you need to load the rear axle for more moving output or to expand the track without spacers.
This hub is not a simple accessory. Unlike aluminum versions, the magnesium offers two major benefits in competition:
Lightness: Reduction of non-suspended masses, which facilitates the rotation of the axle and improves the vivacity of the kart.
Thermal management: Magnesium is better dissipating the heat generated by the tires. This helps stabilize tire pressure during long races (eg KZ or endurance events), avoiding excessive overheating of the gum.
The length of 78 mm Offers an important lever arm, ideal for loading the back train and gaining motor skills.
The hub of 85 mm is a "long" adjustment room. In karting, the choice of the hub length is directly related to the leverage exercised on the axle:
Stability and Grip: With 85 mm, you increase the rigidity of the rear train and removing the load outward. This is the ideal tool for more moving output output or to expand your back path without stacking spacers (which weakens the assembly).
R2.0 version: This name indicates an evolution of design at CRG (best machining, optimized weight and anodized finish "Gold" for higher resistance to corrosion).
The 95 mm in magnesium is an extreme room. This is not comfortable equipment, it is a precision tool for high-level drivers (KZ, OK, X30 senior categories).
The hub of 95 mm is one of the longest models available in the range CRG. In karting, the length of the hub is directly correlated to the "lever arm" applied to the axle:
Deported support: With 95 mm, you drop the load of the wheel outwardly. This helps to charge the rear train in support more, ideal for tracks where you miss moving out of turn.
Aluminum rigidity: Unlike magnesium, this aluminum version offers high structural stiffness and excellent durability, while being easier to maintain and less sensitive to oxidation. Finishing Gold (anodized) effectively protects the part against premature wear.
The 105 mm in magnesium is a high competition room. This is not a basic setting, it is a specific solution for specific needs:
Maximum lever arm: With 105 mm, you drop the load outward to load the outer rear tire. It is the absolute weapon when the kart is sorely lacking on the turn out of turn.
System "2 screws": In a length of 105 mm, a one-screw tightening would be insufficient and would create an imbalance. The system to 2 screws Allows you to distribute the tightening force over the entire length of the ring, ensuring a perfect maintenance on the axle without creating a single voltage point.
Magnesium (mg): It offers valuable weight gain on non-suspended masses and thermal dissipation that stabilizes the pressure of your tires during long finals.
In your Birelart brake pump, this ring is the main pivot point between the control lever and the thrust rod. Its function is twofold:
Eliminate the game: It allows a "fat" movement without sidebeat. Without it, your brake pedal will have an unpleasant dead race ("blur" effect).
Self-lubrication: Generally composed of sintered bronze impregnated with oil, it is designed to operate "dry" or with a minimum of lubricant, thus preventing the premature wear of the steel pivot axis against the aluminum of the lever
This cap (or bellows) is not just a piece of rubber. He plays a crucial role:
Anti-contaminant barrier: It prevents track dust, sand and water to enter the body of the pump.
Protection of the axis: If dirt enter here, they mix with fat, creating an abrasive paste that will scratch the piston and destroy your internal seals.
Maintaining the lubricant: It keeps the clean fat inside the mechanism of the thrust rod.
On your 22SRR pump, the "pin" (pin or pivot axle) of 5x15mm is the piece that undergoes shear forces at each braking.
Function: It serves as a hinge for the lever that operates the piston of the pump.
Why a specific room? Unlike a metal rod cut at the right time, this pine is in Treated steel (tempered). If you are using a "soft" stem of hardware, it will dig and deform in a few tours, creating an important game in your pedal (the famous "blur" at the beginning of the race).
THIS KIT CRG is the official "factory" solution to transform a standard frame into configuration Handikart. It allows to remove the foot pedals for transferring vital functions directly to the steering column and steering wheel.
Brake lever (master cylinder): A specific cylinder with ergonomic lever for a precise dosage of manual braking.
Accelerator control: Lever or pallet system for progressive and reactive acceleration.
Total integration: Designed to fit perfectly on the steering columns CRG, ensuring maximum rigidity during braking efforts.
Kit CRG allows to centralize the commands of braking andacceleration directly on the steering column. It is a robust set, designed to support significant mechanical efforts while providing a high dosing sensitivity.
Complete kit (Ref: FM0.01796): Includes all the necessary components, including the master cylinder, the ergonomic brake lever, air duration and cables.
Standard Kit (Ref: FK0.01689): Generally focused on the support structure and levers without the entire hydraulic circuit.
The plaque R 35-40 Refers to the center distance ratings for the mounting holes for steering ball joints. It is this component that transforms your steering wheel movement into a steering angle.
R 35-40 code: These figures correspond to the positions of the holes (in millimeters) relative to the central axis of the column. They determine the turning speed and the necessary force behind the wheel.
ACKERMANN effect: By proposing several anchor points, this plate adjusts the angle difference between the inner and outdoor wheel.
Interior holes: Directorate more direct and more "physical".
Exterior holes: Softer and more progressive direction.
The plaque R 25-31 is specifically dimensioned for short wheelbase chassis. It defines the demultiplication ratio between the steering wheel and the wheels for the minimal and cadet categories.
Geometry R 25-31: The numbers indicate the distance positions (25 mm and 31 mm) of the mounting holes. This configuration offers a shorter lever arm than on adult models, avoiding too violent direction or too heavy for a child.
Adjustment of the Ackermann:
25 mm holes: Direction more direct, ideal for winding circuits.
Holes at 31 mm: Steering more stable and progressive, recommended for large curves or beginners.
This support ensures the maintenance of the steering column at the frame (the "nose" of the chassis). Its high-density plastic design reduces metal friction while absorbing some of the vibrations rise from the front train.
Fixing 4 points: Provides superior stability compared to 2-hole models, avoiding that the bearing is deformed under the stress during big turn.
Self-lubrication: The composite material used has slip properties that limit the wear of the column axis.
The inclined support comes to interpread between the steering column and the steering wheel. Unlike the standard flat hub, it has an angle (usually between 10 ° and 15 °) that rocks the top of the steering wheel to the driver.
Comfort of driving: It reduces the fatigue of forearms and shoulders by allowing a position of the more natural hands.
Leg clearance: With lightly falling up the bottom of the steering wheel, it can offer a valuable space for the lap of large drivers during tight robberies.
Accuracy: By changing the angle of attacking hands, it often allows a better "feeling" of the front train in fast curves.
This clip (or circlips) of Ø22 mm is designed to stay in the specific grooves of the large diameter steering columns. It serves as a mechanical stop to prevent any unwanted vertical movement of the column.
Locking position: It maintains the spacers and centering rings in place along the axis.
Reliability: Made of high resistance spring steel, it retains its tension even after several montages / disassemblies.
Standard CRG : Designed specifically to adapt to the 22 mm outdoor diameter columns, common on the adult chassis of the brand.
The CRG Kt2 is a competition karting chassis designed to provide an excellent balance between performance, versatility and ease of adjustment. Developed by the Italian manufacturer CRG, Recognized worldwide for its expertise in competition, this chassis is intended for pilots looking for a powerful material capable of adapting to different categories and track conditions.
The structure of the chassis is carried out in Chrome-molybdenum steel tubes Ø30 mm, a material known for its resistance and controlled flexibility. This design provides accurate and progressive behavior, particularly suitable for categories to direct transmission, both at the international level and in the main series mono-brands.
The Redspeed Rx R is a high-end chassis from the factory production lines OTK Kart Parts. It shares the same geometry, the same tubes and the same components of high quality as its famous cousins (Tony Kart, Kosmic) + engine Rotax Junior