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Like every year, we present the new developments of the 2025 season that will be introduced in the Birelart – Freeline karts and products for the 2026 season.

The acronym that characterizes the new models for 2026 will be S19.

Starting from the S18 models, also for this racing season we have conducted an important development activity aimed at optimizing the overall performance of the kart.
The intervention has involved the evolution of the frame geometry, using new materials with improved mechanical characteristics and revising of some accessory components.
New technical details have also been introduced, projected to increase the products dynamic efficiently and construction quality of the products. The results obtained on track, both nationally and internationally, confirm the validity of the work made.

CHASSIS MOD. RY30 Hom.007/CH/10 & RY32 Hom.007/CH/12 

For the single-gear (DD) different types of frames have been developed based on the standard RY30 and RY32 frames, trying to maximize all the performances based on to various characteristics and types of tires and engines.

The substantial difference between the various version is in the material (not in the geometry), therefore not visible to the naked eye but recognizable to an acronym printed inside the tank fixing plate (for alll the model) 

The steering column uniball sit has been modified to accommodate a more resistant 10mm diameter ball joint. 

• RY30 S19 Standard: base model S18
• RY30 S19 type “P4 ”: frame more rigid ideal for the categories with medium-hard tires  
• RY30 S19 type “V2”: frame more flexible ideal for medium-soft tires
• RY30 S19 type “G”: frame more soft ideal for track very slippery
• RY32 S19 standard: base model S18
• RY32 S19 type V5: frame more flexible ideal for medium-soft tires 
   

NEW FREELINE PARTS 

• NEW GRAPHIC: like every year we revised the graphic try to give an always more aggressive, modern, and recognizable look that distinguishes the BirelART brand.
  It will be standard on all Birelart DD, SH, DD2 & MINI models.

• NEW BUSHING HI TECH: A new one-piece caster and camber adjustment bushing has been developed and tested. This will be able to increase or decrease caster by plus or minus 4 degrees and adjust camber from positive to negative by approximately 12/14 mm.

  Will be possible to make these adjustments from the top of the "C" stub axle (it will no longer be necessary to use eccentrics at the bottom of the "C") very quickly and easily.
  It will be mounted as standard on DD, SH, and DD2 karts.

• STEERING COLUMN HIT TECH: new steering column with 10mm bearing
  10.17729.00 STEERING COLUMN RACING d.10 L490 HI TECH

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