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SODI Sigma RS3
Ready to win

The SIGMA RS3 has been developped 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,the braking system has been redesigned, however, while the latest-generation KG bodywork contributes to improved performance and aesthetics. the most of the chassis exceptional performance under all track conditions.


Features - Racing features

Rear hydraulic brake system 2018

Rear hydraulic brake system 2018 - Features - Racing features

Reworked and optimized hydraulic rear brake system equipped with 4-piston

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Features - Racing features

New RS frame

New RS frame - Features - Racing features

New design of the front part of the frame to increase performance & easy turn initiation.

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Features - Racing features

Adjustable steering wheel support

Adjustable steering wheel support - Features - Racing features

Tekneex anodized aluminium steering wheel support tilting to 10°, 20° or 30°.

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Features & options

Dimensions & Weight

Framedouble tube removable - CIK
Tubeø 30mm
Rear AxleHollow steel ø 50mm - 3 bearings
Axle bearing supportAnodized, bearing ø 80mm
Stub axlesø 25mm "Hard"
Rear hubsAnodised, fully machined, L. 90mm
Brake4-pistons hydraulic brake system - CIK
Brake diskFloating and turbo ventilated disk
Front wheelsMagnesium low volume, 130mm
Rear wheelsMagnesium low volume, 212mm
TankRemovable 8 Liters
SeatTekneex Racing Polyester
Steering wheelAluminium alcantara covering Sodi - Large diameter
SafetyProtective base plate for break disk, brake pedal with 2 points attachment, integral chain cover, anti-locking bar
Frame colourBlack + varnish
BodyworkKG Sodi CIK approved
Rear bumperKG plastic


Sigma RS3 - Technical plan


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