Chassis

Any front-wheel drive chassis is permitted. The chassis must feature independent suspension on all four wheels, with each driven wheel using a flexible driveshaft joint (e.g. dogbones or universal joints). Drivetrain and suspension design are otherwise unrestricted.

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The chassis must not be designed or modified to provide an aerodynamic advantage. The underside of the chassis must remain essentially flat and parallel to the ground for the full length of the bodyshell.

 

• Aerodynamic devices or features, including splitters, diffusers, tunnels or similar, are prohibited.

• Flat pan chassis (1/12 and 1/10 track-style) are not permitted.

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Motor & ESC Combo

• Hobbywing XR10 Justock 13.5 combo.

• Motor: Justock 3650 G2.1 13.5 (legacy G2 variant also legal)

• ESC: Xerun XR10 Justock G3 (legacy non-G3 variant also legal)

• ESC motor/battery wires may be replaced, max 14awg.

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Body Shell

Eligible bodies are reasonable scale representations of any existing 'B/C-Segment' Front Wheel Drive Sedan/Hatchback/Wagon with a minimum allowable roof height of 125mm measured at the highest point of the roofline (vertical elements will be ignored).

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• Wings must be as supplied with the original body and must be painted, not clear.
   

Tyres

• Wheels must have spokes/holes as manufactured.

• No solid flat disc faced rims.

• Tyres are rubber only, open compound, open inserts.

• Slicks and treaded tyres are both legal.

• Dimensions and specs as per RCRA ISTC guidelines.

 

Hop Ups

• Any hop up available from any manufacturer.

 

Batteries

• Any 2 cell Hard-cased approved 7.4 Lipo packs as listed on the ROAR or EFRA websites.

 

Gearing

• Gearing is not restricted.

 

Weight

• Minimum 1250g ready to run including transponder.