KF chassis – S19 – DD 30RY Birel ART 2026

High performance chassis dedicated to X30, KA100 and Rotax

The chassis KF – S19 – DD 30RY Birel ART 2026 represents the most complete evolution of the brand for single-speed motor categories. Designed to provide an optimal balance between rigidity, accuracy and performance consistency, it is designed for drivers looking for a reliable, competitive product that is perfectly suited to the most used engines on the market: IAME X30, KA100 and ROTAX.

30RY Design – Perfectly balanced rigidity and flexibility

Base 30RY offers an ideal compromise between stability and responsiveness.
This chassis was developed to:

• Optimize drive output

• Ensuring precise and progressive direction

• Maintain constant behaviour on long relays

• Fully exploit the performance of X30, KA100 and Rotax

The behaviour of the 30RY makes it a preferred choice for national and international competitions.

Geometry S19 – New Generation

Geometry S19 introduces several essential improvements:

• Better absorption of adhesion variations

• More precise front train adjustments

• Enhanced stability on fast track

• More progressive behaviour at the corner entrance

This evolution improves the versatility of the chassis on all types of circuits.

HI-TECH system – Advanced steering and bodywork settings

The S19-DD model incorporates the latest innovations Birel ART:

• Direct launcher setting to ±4°

• Adjusting the body from +12 to –14 mm

• Simplified upper adjustment system

• Removal of lower eccentrics for increased accuracy

These advances allow rapid and reproducible adjustments, essential in running conditions.

Optimal compatibility IAME X30 engines – KA100 – ROTAX

The chassis is specifically adjusted and certified to offer its maximum with:

• IAME X30 : direct response, optimized motor

• KA100 : balanced behaviour, fine driving

• Rotax Max : high speed stability and effective braking

A versatility sought by pilots to easily move from one category to another.

Steering column HI-TECH – Ø10 mm

Equipped with the last column HI-TECH, the 30RY 2026 benefits:

• 10 mm high strength bearing

• More stable and sustainable direction

• Accurate feedback at the wheel

The column ensures a high rigidity and an immediate response to the pilot's demands.

Ideal chassis for competition and intensive training

Adapted at all levels, the KF – S19 – DD 30RY offers:

• Constant performance

• Simple and fast settings

• Reliability Birel ART proven

• Large versatility according to tires, tracks and engines

A reference choice for ambitious drivers.

Delivery and Assembly

• Delivery anywhere in Europe

• Professional assembly option in addition

• Custom settings according to engine, tires and category