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Sigma RS3 2026
For racers ready to win
The SIGMA RS3 has been developed especially for medium tyres in Rotax, X30 and OK, where the longer wheelbase and welded column support will ensure more effectiveness.
Equipped with a new frame - tubes Ø30 - and its new aluminium floor tray, the Sigma RS3 2025 is a exceptional and easy chassis for winning under all track conditions.
$7,500
(sticker kit included - seat to purchased seperately)
New evolutions
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Modification of tubes quality on OK/OKJ frame.
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Hard stub axles are replaced by a softer model.
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Steering tie rods change from 266 to 276mm.
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Central bearing cage with its support are removed. Karts are now mounted with two bearing cages only.
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Ø80mm rear wheel hubs are now mounted as original equipment.
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Front flat stabiliser is modified as original equipment.
