On the motorsport ladder, the step up from karting to Formula 3 single-seaters requires a chassis that is less forgiving and more communicative, forcing the driver to be precise. The Fischer Soma RC4 Worldcup JR 90 represents exactly this category leap on the snow for young racers. Its "bodywork" is a block of injected polyurethane that forms a solid, zero-tolerance chassis. The "suspension," calibrated with a 90 flex, is stiff enough to channel the young athlete's force directly to the ski instantly, yet adapted to their weight so it doesn't block ankle flexion.

The cabin features a narrow "track width," specifically designed for the anatomy of a junior racing foot. It acts like a custom-cast bucket seat, immobilizing the heel and ankle to eradicate any dead space and prevent the dreaded understeer on sheer ice.

The chassis geometry integrates the Soma-Tec system. This biomechanical technology places the feet in their natural "V" stance, improving center-of-gravity transfer, providing explosive acceleration out of the turn, and most importantly, acting as an anti-roll bar that protects developing knees from the intense G-forces generated on the track.

Technical Parameters

• Recommended level: Junior Racing / Advanced (100% On-Piste / Racing).

• Flex Index: 90 (Firm sports suspension, calibrated for youth power transmission).

• Last (Internal width): Narrow Junior Racing fit (Maximum precision and zero slack).

• Shell Material: High-density Polyurethane (PU).

• Biomechanical Alignment: Soma-Tec Technology (Anatomical "V" stance for joint protection and direct edging).

• Liner: FFS Worldcup Fit Liner JR (High density, reduced volume for direct shell contact).

• Buckles: 4 micro-adjustable Aerodynamic alloy buckles.

• Power Strap: 35 mm Racing Velcro for a direct tibial lock.

• Soles: Solid Alpine ISO 5355.

• Manufacturer reference: U38008.