Based on the S9 models BirelART improved the already succesful performance of the chassis.
Key improvements :
-New adjuster system for steering column
-New system for pedal fixation
-”C” spindle support with doube holes for excentric
Details:
Wheels: In 2018, we introduce our new magnesium wheels (Mod. DM 130 + 210) LPC (Low Pressure Cast), manufactured with a particular fusion technology. The size will be different, especially in the rear with a wider total width and an off-set of 10mm.
Front bumper: New FREELINE F1 front bumper will be mounted as series on all the Racing karts. It was studied and tested by CFD to improve air flow around the kart and driver allowing better brake cooling and reducing turbulence near the engine. On top of that, it gives an innovative and aggressive look.
Rear bumper: The S9 karts will come with the new rear KG CLOB model bumper.
Graphics: New 2019 sticker kit.
Rear axles: F and B 50mm axles will be available in production for KZ-Shifter categories. They will now be 1060mm long.
Brake system: The brake system remains the strong and reliable RR-I25 calipers with the 22SRR master cylinder. You can choose between three options of brake pad materials and the adoption of cast iron brake disc D.180 to improve braking and reduce wear.
Spindles: Spindle stays the classic 2 piece with the choice of 5 spindle stems giving the possibility to add or remove grip on the front of the chassis.
Clutch lever: The vertically adjustable gear lever works on rollers allowing more precise shifting, while the driver can adjust the position to suit him best.
Magnesium: Front and rear hubs are available in magnesium. Fully machined rear short hubs d.40×100 mm or long d.50×115 mm double screw. Front hubs are 85mm long.
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