mtrc Race Classes
MTRC CORE CLASSES
“CHICKEN LITTLE” AKA NOVICE
Skill Level (Beginner – Intermediate – Expert)
This class is strictly for individuals who are new to racing. If an Individual is deemed eligible by the Race Master or has shown repeated success in this class, they will graduate out of Novice Class and no longer be allowed to race in this class.
Chassis (90mm – 102mm)
Kyosho MR02/MR03/MR04/MA03/MA020 and PN 2.5 are allowed.
No 1/28 Lipo Chassis Allowed
All of our rentals will be suitable to run in the Novice class – Training Mode is allowed.
Motor
Stock brushed motor
Gearing
Stock pinion and differential gearing
Wheels (width x diameter)
Kyosho or PN branded plastic or aluminum wheels (No 3D printed, prototype wheels)
Front wheels must be 8.5mm x 20mm ONLY (Larger 11mm or 14mm are not allowed)
Rear wheels must be 11mm x 20mm ONLY (Larger 14mm are not allowed)
Offset must fit properly inside the body
Tires
Any brand of Rubber Tires Only (must be a production tire and widely available)
No foam, silicone, Urethane, Ethyl Carbamate, prototype and/or homemade tires.
Traction compounds of any kind is NOT ALLOWED. Tire warmers are allowed.
Tire cleaning with 70% alcohol solution is allowed.
Transmitter
Any transmitter allowed (must be in Training mode – 50% power)
No Gyro
Batteries
KYO71998 - Kyosho Speedhouse AAA batteries ONLY!
Bodies
Stock Kyosho Autoscale and Hard plastic bodies
Bodies must remain in stock configuration.
Entire windshield and windows must remain installed
Trimming is allowed for clearance purposes only
Front splitters may be rounded (No Performance modifications)
Bodies must be painted in a visible color (No solid white and/or Black allowed)
Lexan bodies, windows and/or roofs are not allowed
Weight
Stock
No modifications to reduce weight
Modifications
No aluminum, 3D printed and/or prototype parts allowed
3D Print Transponder Holder, Body Side Clips, ESC Top Cover allowed.
“GREMLINS” AKA KYOSHO BOX STOCK
Skill Level (Beginner – Intermediate – Expert)
This class is for ALL skill levels. This class is designed to close the gap between people’s budget and car performance. You don’t need to have all the expensive upgrades to be competitive, but you better bring your best driving skills as they will be put to the ultimate test.
Chassis (90mm – 102mm)
MR02/MR03/MR04 RWD ONLY
Motor
Stock Kyosho RTR brushed motor
No internal motor modifications are allowed
Stock capacitors and thermal cutoff switch must remain untouched
Motor wires may be replaced, this is the only motor modification allowed
Gearing
Stock pinion and differential gears
6T-9T pinion only
Wheels (width x diameter)
Kyosho or PN branded plastic or aluminum wheels (No 3D printed, prototype wheels)
Front wheels must be 8.5mm x 20mm ONLY (Larger 11mm or 14mm are not allowed)
Rear wheels must be 11mm x 20mm ONLY (Larger 14mm are not allowed)
Mounted tire and wheel diameter cannot exceed 25.5mm
Offset must fit properly inside the body
Tires
Any brand of Rubber Tires (must be a production tire and widely available)
No foam, silicone, Urethane, Ethyl Carbamate, prototype and/or homemade tires.
Traction compounds of any kind is NOT ALLOWED. Tire warmers are allowed.
Tire cleaning with 70% alcohol solution is allowed.
Transmitter
Stock Kyosho RTR Transmitter Only
Must be in stock configuration (No mods of any kind to steering wheel or throttle/brake trigger)
Batteries
KYO71998 - Kyosho Speedhouse AAA batteries ONLY!
Bodies
Stock Kyosho Autoscale and Hard plastic bodies
Bodies must remain in stock configuration.
Entire windshield and windows must remain installed
Trimming is allowed for clearance purposes only
Front splitters may be rounded (No Performance modifications)
Bodies must be painted in a visible color (No solid white and/or Black allowed)
Lexan bodies, windows and/or roofs are not allowed
Weight
Stock (Minimum ~ approximately 180g)
Modifications
King-pin Flip Mod
T-Plate can be upgraded (OEM only - Kyosho)
Front suspension springs (OEM only - Kyosho)
Aluminum wheel nuts (OEM only - Kyosho)
Any brand ball bearings
Lube/grease allowed for dampening, and differential
NO OTHER MODIFICATIONS OTHER THAN ONES LISTED ABOVE ARE ALLOWED
3D Print Transponder Holder, Body Side Clips, ESC Top Cover NOT allowed.
No other aluminum, 3D printed and/or prototype parts allowed
Titanium and/or Hex Screws are NOT allowed
“GOODFELLAS” AKA STOCK 2WD
Skill Level (Beginner – Intermediate – Expert)
This class has fewer restrictions than the Kyosho Box Stock class and allows many upgrades to increase performance and have a faster racing experience. The Stock 2WD class is very popular and is designed for the Intermediate & Expert level drivers.
Chassis (90mm - 102mm)
MR01 / MR02 / MR03 / MR04 / MRC / MR01 / PNR2.5W Chassis ONLY
Motor/ESC
Stock Kyosho white/black end ball brushed motors (MZ9, MZ9P, KYOMZ9E, MZW301, MZW301E), PN 70T, PN50T
Motors internals must remain unaltered with stock rotor, brushes, magnets, comms, etc.
Motor wires can be swapped
Capacitors and thermal cutoff can be removed
All Kyosho nonprogrammable boards allowed
Replaced or stacked fets allowed
Gearing
Open
Wheels (width x diameter)
Any branded plastic or aluminum wheels (No 3D printed, prototype wheels)
Front wheels must be 8.5mm x 20mm ONLY (Larger 11mm or 14mm are not allowed)
Rear wheels must be 11mm x 20mm ONLY (Larger 14mm are not allowed)
Mounted tire and wheel diameter cannot exceed 25.5mm
Offset must fit properly inside the body
Tires
Any brand of Rubber Tires Only (must be a production tire and widely available)
No foam, silicone, Urethane, Ethyl Carbamate, prototype and/or homemade tires.
Traction compounds of any kind is NOT ALLOWED. Tire warmers are allowed.
Tire cleaning with 70% alcohol solution is allowed.
Transmitter
Open – All transmitters allowed (No receiver with built in Gyro and/or any Gyro)
Batteries
AAA NiMh Only (No Lithium chemistry-based batteries allowed)
Speedhouse 800mah, PN 750mah, PN 900mah, Team Orion 900mah
Bodies
Stock Kyosho Autoscale and Hard plastic bodies
Bodies must remain in stock configuration.
Entire windshield and windows must remain installed
Trimming is allowed for clearance purposes only
Front splitters may be rounded (No Performance modifications)
Bodies must be painted in a visible color (No solid white and/or Black allowed)
Lexan bodies, windows and/or roofs are not allowed
Weight
160 gram Ready to Race weight (With batteries, body, wheels, tire, etc)
Modifications
3D Print Transponder Holder, Body Side Clips, ESC Top Cover allowed.
No other 3D parts and/or prototype parts allowed
All aftermarket alloy upgrades allowed
Drilling Holes in chassis is allowed for cooling
“DIE HARD” AKA SUPER STOCK 2WD
Skill Level (Beginner – Intermediate – Expert)
This class allows more flexibility on upgrading components and chassis tuning possibilities to deliver faster lap times for increased handling and performance which makes it a popular and competitive class. This class is a test of driver’s skill, knowledge for car setup, and is the ultimate form of stock racing… Are you READY?
Chassis (90mm - 102mm)
MR01 / MR02 / MR03 / MR04 / MRC MR01 / PNR2.5W Chassis
Any AAA style chassis
Motor/ESC
Kyosho stock brushed white/black end ball motors (MZ9, MZ9P, KYOMZ9E, MZW301, MZW301E)
PN 50T or PN 70T
Any brand 3500kv Brushless motor (Sensorless)
X-Speed 4100kv allowed only installed in Kyosho RWD Chassis
Motors internals must remain unaltered with stock rotor, brushes, magnets, comms, etc.
Allow motor wires to be swapped
Capacitors and thermal cutoff can be removed
All Kyosho brushless esc boards allowed, EVO / PRO / ASF / VE
Replaced or stacked fets allowed
PN 16 amp ESC allowed (PN500807 / PN500807A)
ESC must be in blinky mode if applicable
Gearing
Open
Wheels (width x diameter)
Any brand plastic or aluminum wheels (No 3D printed, prototype wheels)
Front wheels must be 8.5mm x 20mm ONLY (Larger 11mm or 14mm are not allowed)
Rear wheels must be 11mm x 20mm ONLY (Larger 14mm are not allowed)
Mounted tire and wheel diameter cannot exceed 25.5mm
Offset must fit properly inside the body
Tires
Any brand of Rubber Tires Only (must be a production tire and widely available)
No foam, silicone, Urethane, Ethyl Carbamate, prototype and/or homemade tires.
Traction compounds of any kind is NOT ALLOWED. Tire warmers are allowed.
Tire cleaning with 70% alcohol solution is allowed.
Transmitter
Open – All transmitters allowed (No receiver with built in Gyro and/or any Gyro)
Batteries
AAA NiMh Only
Speedhouse 800mah, PN 750mah, PN 900mah, Team Orion 900mah
No Lithium chemistry-based batteries allowed
Bodies
Stock Kyosho Autoscale, white plastic bodies
Lexan windows and/or roofs are allowed
Entire windshield and windows must remain installed
Small body parts can be omitted
Bodies must be painted in a visible color (No solid white and/or Black allowed)
Lexan bodies are not allowed
Weight
160 gram Ready to Race weight (With batteries, body, wheels, tire, etc)
Modifications
3D Print Transponder Holder, Body Side Clips, ESC Top Cover allowed.
No 3D parts and/or prototype parts allowed
All aftermarket alloy upgrades allowed
Drilling Holes in chassis is allowed for cooling, must meet minimum weight.
“GRAN TURISMO” AKA MOD 2WD 28SRA
Skill Level (Beginner – Intermediate – Expert)
Unlimited speed and performance are unlocked in this highly competitive class. This class delivers the fastest lap times and will challenge the most experienced drivers. This class of racing is designed for expert level drivers with lots of racing experience.
Chassis (94mm – 98mm and 102mm)
Any 1/28 AAA and or Lipo style chassis
Must be a production unit and readily available, no prototypes
Motor/ESC
Any brushed 130 motor for Mini-Z
PN 43T, PN 31T, etc
Open - 1626 size brushless motor sensored/sensorless
Any esc sensored/sensorless
Gearing
Open
Wheels (width x diameter)
Any brand plastic or aluminum wheels (No 3D printed, prototype wheels)
Front wheels must be 8.5mm x 20mm ONLY (Larger 11mm or 14mm are not allowed)
Rear wheels must be 11mm x 20mm or 14mm x 20mm ONLY
Mounted tire and wheel diameter cannot exceed 25.5mm
Offset must fit properly inside the body
Tires
Any brand of Rubber Tires Only (must be a production tire and widely available)
No foam, silicone, Urethane, Ethyl Carbamate, prototype and/or homemade tires.
Traction compounds of any kind is NOT ALLOWED. Tire warmers are allowed.
Tire cleaning with 70% alcohol solution is allowed.
Transmitter
Open – All transmitters allowed (No receiver with built in Gyro and/or any Gyro)
Batteries
2s 8.4v Lipo max (HV not allowed)
Bodies
Any body (including Lexan bodies)
No Pan car bodies allowed
Lexan windows and/or roofs are allowed
Entire windshield and windows must remain installed
Small body parts can be omitted
Bodies must be painted in a visible color (No solid white and/or Black allowed)
For MTRC weekend racing Hard bodies are allowed however, they will not be allowed for any sanctioned event. We would then run Lexan bodies only.
Weight
No minimum weight
Modifications
3D Print Transponder Holder, Body Side Clips, ESC Top Cover allowed.
No 3D parts and/or prototype parts allowed
All aftermarket alloy upgrades allowed
Other
For more details please refer to 28SRA Rules
“WILD WILD WEST” – AKA OPEN
Skill Level (Beginner – Intermediate – Expert)
Open to racers who wish to run their car without any restrictions and for those who want to race but whose car is not up to spec with any other class. This class also included AWD and FWD. This is designed to be an inclusive and all-around fun class as it includes cars from all different classes. This class is geared towards the intermediate to expert level driver.
Chassis (Open Wheel)
Any 1/28 AAA and or Lipo style chassis
Motor/ESC
Open
Gearing
Open
Wheels (width x diameter)
Front wheels must be 8.5mm x 20mm – 11mm x 20mm (Larger 14mm are not allowed)
Rear wheels must be 11mm x 20mm or 14mm x 20mm ONLY
Any brand, any material (3D printed allowed)
Offset must fit properly inside the body
Tires
Any brand of Rubber Tires Only (must be a production tire and widely available)
No foam, silicone, Urethane, Ethyl Carbamate, prototype and/or homemade tires.
Traction compounds of any kind is NOT ALLOWED. Tire warmers are allowed.
Tire cleaning with 70% alcohol solution is allowed.
Transmitter
Open
Batteries
2s Lipo Max (No HV allowed)
Any brand AAA NiMH allowed
Bodies
Open
Bodies must be painted in a visible color (No solid white and/or Black allowed)
Weight
No minimum weight
Modifications
Open
MTRC HOBBY CLASSES (3 MAKES A CLASS)
2500 LIPO STOCK 28SRA
Skill Level (Beginner – Intermediate – Expert)
Lipo ready chassis are growing rapidly in the 1/28th scale racing world. This class is a stock racing class designed to put the drivers to the test. The playing field is evened out as all motors are limited to 2500kv. Racers must have a proper setup and driving technique to come out ahead in this competitive class.
Chassis (98mm -102mm)
1/28 Scale Lipo or AAA style chassis
MR03/MR04 , MWX R.1, Jomerema, GL Racing GLR / GLR-GT / GL-GTR , PNR2.5W, PNR3.0, Atomic MRX/MRZ, Reflex RX28/RX28SE, NEXX Skyline / Specter
For a full list please refer to 28SRA Rules
Motor/ESC
Any brand 2500kv Brushless motor (Sensorless or Sensored)
Motors internals must remain unaltered with stock rotor, brushes, magnets, comms, etc.
Any ESC Sensored or Sensorless
ESC must remain in blinky mode if applicable
Gearing
64 Pitch Only
10T or 12T Pinion (Depending on track layout)
53T Spur
Wheels (width x diameter)
Front wheels must be 8.5mm x 20mm ONLY (Larger 11mm and 14mm are not allowed)
Rear wheels must be 11mm x 20mm ONLY (Larger 14mm are not allowed)
Mounted tire and wheel diameter cannot exceed 25.5mm
Offset must fit properly inside the body
Any brand, any material (No 3D printed wheels allowed)
Tires
Any brand of Rubber Tires Only (must be a production tire and widely available)
No foam, silicone, Urethane, Ethyl Carbamate, prototype and/or homemade tires.
Traction compounds of any kind is NOT ALLOWED. Tire warmers are allowed.
Tire cleaning with 70% alcohol solution is allowed.
Transmitter
Open
Batteries
2s Lipo 8.4v Max (No HV allowed)
Bodies
Stock Kyosho Autoscale, white plastic bodies
Lexan windows and/or roofs are allowed
Entire windshield and windows must remain installed
Small body parts can be omitted
Bodies must be painted in a visible color (No solid white and/or Black allowed)
Lexan bodies are not allowed
Must properly fit the chassis, trimming for fitment purposes only
GT Bodies for 98mm wheelbase chassis ONLY
LM bodies for 102mm wheelbase chassis ONLY
Body with side clips must weigh 26g minimum
Weight
160g
Modifications
3D Print Transponder Holder, Body Side Clips, ESC Top Cover allowed.
No other 3D parts and/or prototype parts allowed
All aftermarket alloy upgrades allowed
Other
For more details please refer to 28SRA Rules
FORMULA 1 28SRA
Skill Level (Beginner – Intermediate – Expert)
Welcome to the adrenaline-fueled world of Formula 1 racing! Formula 1 is the highest level of racing in all motorsports and now the cars have been shrunk down to Mini-Z size! Experience the thrill of high-speed action as these miniature open-wheel machines tear around the track with precision and agility. Designed for Intermediate to Expert drivers, these scaled-down marvels deliver a true-to-life racing experience, challenging your skills with every turn. Get ready to unleash your inner racing champion by battling it out with 1/28 open wheeled Formula-1 cars.
Chassis (112mm-116mm)
MWX R.1 F1
GLF-1 including MWX conversion parts
PNR F1
G-Force F1
Kyosho F1
Nexx F1
Atomic F1 (MRZ/MRX Conversion allowed)
Motor/ESC
2500kv Sensored/Sensorless
No modifications allowed to the motor internals
Any esc sensored/sensorless
No option/aftermarket rotors,
ESC must be in Blinky Mode
Gearing
10T or 12T pinion (Depending on track layout)
53T Spur
64 Pitch Only
Wheels (width x diameter)
Any brand plastic or aluminum wheels (No 3D printed, prototype wheels)
Front wheels must be 11mm x (19mm-20mm) ONLY (Larger 14mm are not allowed)
Rear wheels must be 14mm x 20mm ONLY
Mounted tire and wheel diameter cannot exceed 25.5mm
Offset must fit properly inside the body
Tires
Any brand of Rubber Tires Only (must be a production tire and widely available)
No foam, silicone, Urethane, Ethyl Carbamate, prototype and/or homemade tires.
Traction compounds of any kind is NOT ALLOWED. Tire warmers are allowed.
Tire cleaning with 70% alcohol solution is allowed.
Transmitter
Open – All transmitters allowed (No receiver with built in Gyro and/or any Gyro)
Batteries
2s 8.4v Lipo max (HV not allowed)
Bodies
Lexan F1 Body, allow G-Force F1 and Original Kyosho hard bodies
Aftermarket front and rear wings are allowed, but must resemble scale F1 wing.
Roller bearing front wings allowed
Driver must be installed
Small body parts can be omitted (halo)
Bodies must be painted in a visible color (No solid white and/or Black allowed)
Weight
140 grams minimum
Modifications
No 3D parts and/or prototype parts allowed
All aftermarket alloy upgrades allowed
Other
For more details please refer to 28SRA Rules
3500 GT 28SRA
Skill Level (Beginner – Intermediate – Expert)
Step into the thrilling world of 1/28th scale racing with 3500 GT class, where speed meets precision in the ultimate test of skill and strategy. Drivers are challenged to push the limits of their cars on every lap. The battleground is set with a strict 3500Kv motor limit, ensuring an electrifyingly close competition where victory hinges on expert setup and flawless driving. Are you ready to harness the power and claim victory?
Chassis (98mm -102mm)
1/28 Scale Lipo or AAA style chassis
MR03/MR04 , MWX R.1, Jomerema, GL Racing GLR / GLR-GT / GL-GTR , PNR2.5W, PNR3.0, Atomic MRX/MRZ, Reflex RX28/RX28SE, NEXX Skyline / Specter
For a full list please refer to 28SRA Rules
Motor/ESC
Any brand 3500kv Brushless motor (Sensorless or Sensored)
Motors internals must remain unaltered with stock rotor, brushes, magnets, comms, etc.
Any ESC Sensored or Sensorless
ESC must remain in blinky mode if applicable
Gearing
64 Pitch Only
10T or 12T Pinion (Depending on track layout)
53T Spur
Wheels (width x diameter)
Front wheels must be 8.5mm x 20mm ONLY (Larger 11mm and 14mm are not allowed)
Rear wheels must be 11mm x 20mm ONLY (Larger 14mm are not allowed)
Mounted tire and wheel diameter cannot exceed 25.5mm
Offset must fit properly inside the body
Any brand, any material (No 3D printed wheels allowed)
Tires
Any brand of Rubber Tires Only (must be a production tire and widely available)
No foam, silicone, Urethane, Ethyl Carbamate, prototype and/or homemade tires.
Traction compounds of any kind is NOT ALLOWED. Tire warmers are allowed.
Tire cleaning with 70% alcohol solution is allowed.
Transmitter
Open
Batteries
2s Lipo 8.4v Max (No HV allowed)
Bodies
Stock Kyosho Autoscale, white plastic bodies , hard bodies not allowed
Lexan windows and/or roofs are allowed
Entire windshield and windows must remain installed
Small body parts can be omitted
Bodies must be painted in a visible color (No solid white and/or Black allowed)
Lexan bodies only
Must properly fit the chassis, trimming for fitment purposes only
GT Bodies for 98mm wheelbase chassis ONLY
LM bodies for 102mm wheelbase chassis ONLY
Weight
160g
Modifications
3D Print Transponder Holder, Body Side Clips, ESC Top Cover allowed.
No other 3D parts and/or prototype parts allowed
All aftermarket alloy upgrades allowed
Other
For more details please refer to 28SRA Rules
LE MANS PROTOTYPE 28SRA
Skill Level (Beginner – Intermediate – Expert)
Le Mans Prototype class is being tested and changes might be made. This class builds off of a Formula 1 style chassis but allows for more powerful motors and has no restrictions on gearing so a new level of speed can be unlocked.
Chassis (112mm-116mm)
MWX R.1 F1
GLF-1 including MWX conversion parts
PNR F1
G-Force F1
Kyosho F1
Nexx F1
Atomic F1 (MRZ/MRX Conversion allowed)
Motor/ESC
35000kv Sensored/Sensorless
No modifications allowed to the motor internals
Any esc sensored/sensorless
No option/aftermarket rotors,
ESC must be in Blinky Mode
Gearing
Open
Wheels (width x diameter)
Any brand plastic or aluminum wheels (No 3D printed, prototype wheels)
Front wheels must be 11mm x (19mm-20mm) ONLY (Larger 14mm are not allowed)
Rear wheels must be 14mm x 20mm ONLY
Mounted tire and wheel diameter cannot exceed 25.5mm
Offset must fit properly inside the body
Tires
Any brand of Rubber Tires Only (must be a production tire and widely available)
No foam, silicone, Urethane, Ethyl Carbamate, prototype and/or homemade tires.
Traction compounds of any kind is NOT ALLOWED. Tire warmers are allowed.
Tire cleaning with 70% alcohol solution is allowed.
Transmitter
Open – All transmitters allowed (No receiver with built in Gyro and/or any Gyro)
Batteries
2s 8.4v Lipo max (HV not allowed)
Bodies
LMP or LMH Bodies only
LMH wing and sind wing must be installed
Bodies must be painted in a visible color (No solid white and/or Black allowed)
Weight
140 grams minimum
Modifications
No 3D parts and/or prototype parts allowed
All aftermarket alloy upgrades allowed
Other
For more details please refer to 28SRA Rules
PAN CAR 28SRA
Skill Level (Beginner – Intermediate – Expert)
Pan Cars are the most track focused and capable racing cars designed for pure performance. These cars deliver the FASTEST lap times and can reach speeds over 30MPH! This class is for experienced expert level drivers who want to showcase their skills.
(Modified Open 28SRA )
Chassis (94mm-102mm)
Open RWD Chassis
Motor/ESC
Open
Gearing
Open
Wheels (width x diameter)
Front wheels must be 8.5mm x 20mm – 11mm x 20mm (Larger 14mm are not allowed)
Rear wheels must be 11mm x 20mm or 14mm x 20mm ONLY
Mounted tire and wheel diameter cannot exceed 25.5mm
Offset must fit properly inside the body
Any brand, any material (3D printed allowed)
Tires
Any brand of Rubber Tires Only (must be a production tire and widely available)
No foam, silicone, Urethane, Ethyl Carbamate, prototype and/or homemade tires.
Traction compounds of any kind is NOT ALLOWED. Tire warmers are allowed.
Tire cleaning with 70% alcohol solution is allowed.
Transmitter
Open
Batteries
2s Lipo 8.4v Max (No HV allowed)
Bodies
Open (Lexan Only)
Pan Cars / LMP bodies only
Must properly fit the chassis, trimming for fitment purposes only
Bodies must be painted in a visible color (No solid white and/or Black allowed)
Weight
No minimum weight
Modifications
Open
Prototype parts allowed
Other
For more details please refer to 28SRA Rules
AWD 28SRA
Skill Level (Beginner – Intermediate – Expert)
These cars offer increased traction, acceleration, and tuning possibilities compared to their 2WD counterpart. This class is designed for intermediate to expert level drivers.
Chassis (98mm-102mm)
Any 1/28 AWD Chassis
Motor/ESC
Open
Gearing
Open
Wheels (width x diameter)
Front wheels must be 8.5mm x 20mm – 11mm x 20mm (Larger 14mm are not allowed)
Rear wheels must be 11mm x 20mm or 14mm x 20mm ONLY
Mounted tire and wheel diameter cannot exceed 25.5mm
Offset must fit properly inside the body
Any brand, any material (3D printed not allowed)
Tires
Any brand of Rubber Tires Only (must be a production tire and widely available)
No foam, silicone, Urethane, Ethyl Carbamate, prototype and/or homemade tires.
Traction compounds of any kind is NOT ALLOWED. Tire warmers are allowed.
Tire cleaning with 70% alcohol solution is allowed.
Transmitter
Open
Batteries
2s Lipo Max (No HV allowed)
Any brand AAA NiMH allowed
Bodies
Open
For MTRC weekend racing Hard bodies are allowed however, they will not be allowed for any sanctioned event. We would then run Lexan bodies only.
Must have installed windows and roof
Must properly fit the chassis, trimming for fitment purposes only
Bodies must be painted in a visible color (No solid white and/or Black allowed)
Weight
No minimum weight
Modifications
Open
All aftermarket alloy parts allowed
3D Print Transponder Holder, Body Side Clips, ESC Top Cover allowed
No other 3d printed parts or prototype parts, all parts/upgrades must be production units and readily available
Other
For more details please refer to 28SRA Rules
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