CHASSIS

Allowed models: Kyosho MR03S, MR03S2, and MR03 RWD, Jomurema, GL Racing GLR, GLR-GT, GL-GTR, MRC MRC01, PN PNR2.5W, PNR3.0, RTRC RTA, Atomic MRZ, MRX, MRV, RX28/SE G1, G2 and G3, NEXX Skyline, Specter, MWX R.1, G-Force Lightning, XBility XB 1, AE RC28

WHEELBASE

Only allowed wheelbases: 98mm and 102mm

MOTOR

Any 1/28th scale manufacturer 3500Kv sensored motor

Maximum can diameter: 15mm

Maximum Kv: 3800

No optional or aftermarket rotors allowed

Motors must not be tampered with or modified in any way

GEAR RATIO

Any manufacturer pinion and spur allowed

Tooth count must be distinguishable by markings or color for easy tech

All gears must be Pre-Event teched and painted

Standard ratio: 12T Pinion / 53T Spur (unless specified for track conditions by event)

WHEELS

All brand plastic and aluminum 1/28 scale production wheels allowed

Size specifications:

Front-wheel width: 8.5mm (not including outer flange/disk)

Rear-wheel width: 11mm (not including outer flange/disk)

Maximum wheel diameter: 20mm

Minimum wheel diameter: 19mm

Wheels must be original designs made for 1/28 scale cars

Wheel and tire must fit inside the body

TIRES

Maximum tire diameter (mounted): 25.5mm

Front tires must be 8.5mm and rear tires 11mm wide

Tire warmers are allowed

Tires may be cleaned with 70% alcohol solution or water

Not Allowed:

Traction compound on tire or race surface

Homemade tires

Foam tires

Silicon tires

Urethane tires

Ethyl Carbamate tires

Tire inserts

Using illegal tire cleaner will result in penalties

BATTERIES

2-cell LiPo or 2 one-cells paralleled (maximum 8.40 volts)

Max battery dimensions 45 x 24.0 x 13.0mm

Battery must be identifiable with original sticker from 1/28th MiniZ manufacturer

Maximum 500 mAh

An additional battery is allowed only for transponder connection

ESC / RECEIVER

Any manufacturer 1/28 ESC and Receiver allowed

ESC must not have any timing, turbo or boost activated and have a visual Blinking LED. (Blinky Mode)

Not Allowed:

Receivers with built-in Gyro

Separate Gyros

APPROVED LIPO 3500 BODIES

PN: Supra A90, JSK, AD4, GT4LB, 992GT3, M4GT3, Concept C9, V2 JGT01, ZLB

SBRC: Zenvo ST1, Phenom GT, NSX GT3, 458GT, SBX, STR, HYR, JX, XB2

Marka: RK410, RK408, RK-S, RK-SP6, RK-HC, RK-P-One, RK-W, RK-12, RK-TWR, RK-4C, RK-AMGT, RK-BLD, RK-NTI, RK-PZR, RK-MK4, MK5

Atomic: M4Z, DBX, Hyper, VST, ADR, IS2, LTC Type, LCT-2.0, AMZ

GL Racing: P1M

Rad Body: Mako GT, Mako X, Catfish

PROTOform: P63, Venturi GT

G-Force: VW

RTRC: XVR-GTB

Bitty Designs: Ares-1, Eptron

Nexx Racing: NX-326 Body

102mm Wheelbase Specific:

GL Racing – P1M

Marka – RK-P-One

RTRC – XVR-GTB

Wings: Wings have 45mm height limit from ground

WEIGHT

Full car minimum weight: 160 grams (race ready)

OPTION PARTS

Any aftermarket 1/28 scale publicly available production or 3D printed parts allowed

Adding weight via tungsten putty, stick weight, or cut hobby brass is allowed

Not Allowed: Prototype parts

Public availability requirements: Parts must be publicly announced via social media or website 45 days prior to race

Parts must be available for purchase nationally 45 days prior to race

3D print files must be shared with the public 30 days before event start