The GRANITE GROM: Small & skilful

Feel the power

Small in scale: big on features

Under the Hood

Trick it up

ARRMA bashing for everyone, anytime, anywhere

Specifications

ARRMA Part Number
ARA2102T1
ARA2102T2
ARA2102T3
Vehicle Name
1/18 GRANITE GROM MEGA 380 RTR, Blue
1/18 GRANITE GROM MEGA 380 RTR, Red
1/18 GRANITE GROM MEGA 380 RTR, Green
SCALE
Small
Small
Small
MAX SPEED POSSIBLE
20+mph / 32+km/h
20+mph / 32+km/h
20+mph / 32+km/h
POWER TYPE
Brushed
Brushed
Brushed
BUILD STATUS
RTR
RTR
RTR
Saleable Part #
ARA2102T1
ARA2102T2
ARA2102T3
BUILD CONFIGURATION OPTIONS
Mid Motor
Mid Motor
Mid Motor
DRIVE TYPE
4WD
4WD
4WD
VEHICLE TYPE
Monster Truck
Monster Truck
Monster Truck
SURFACE
Off-road
Off-road
Off-road
LENGTH
250mm / 9.84"
250mm / 9.84"
250mm / 9.84"
WHEELBASE
165mm / 6.5"
165mm / 6.5"
165mm / 6.5"
RIDE HEIGHT
30mm / 1.18"
30mm / 1.18"
30mm / 1.18"
FRONT WIDTH
200mm / 7.87"
200mm / 7.87"
200mm / 7.87"
REAR WIDTH
200mm / 7.87"
200mm / 7.87"
200mm / 7.87"
HEIGHT
118mm / 4.65"
118mm / 4.65"
118mm / 4.65"
NUMBER OF DIFFERENTIALS
2
2
2
WEIGHT (INC. SUPPLIED BATTERY)
0.8kg / 1lbs 12oz
0.8kg / 1lbs 12oz
0.8kg / 1lbs 12oz
WARRANTY LEVEL
2 Year Limited
2 Year Limited
2 Year Limited
ARRMA Part Number
ARA2102T1
ARA2102T2
ARA2102T3
Vehicle Name
1/18 GRANITE GROM MEGA 380 RTR, Blue
1/18 GRANITE GROM MEGA 380 RTR, Red
1/18 GRANITE GROM MEGA 380 RTR, Green
BODY LENGTH
242mm / 9.53"
242mm / 9.53"
242mm / 9.53"
BODY WIDTH
92mm / 3.62"
92mm / 3.62"
92mm / 3.62"
BODY HEIGHT
65mm / 2.56"
65mm / 2.56"
65mm / 2.56"
FRONT SPRING RATE
0.68N/mm
0.68N/mm
0.68N/mm
REAR SPRING RATE
0.68N/mm
0.68N/mm
0.68N/mm
CAPTURED HINGEPINS
Yes
Yes
Yes
TURNBUCKLES/FIXED LINKS
Fixed Link
Fixed Link
Fixed Link
HARDWARE TYPE
Hex Head
Hex Head
Hex Head
LOCKING DIFFS
No
No
No
DIFFERENTIAL TYPE
Gear
Gear
Gear
STANDARD SHOCK OIL (Viscosity)
300cSt
300cSt
300cSt
STANDARD SHOCK OIL (Type)
Silicone
Silicone
Silicone
STANDARD DIFF OIL (Type)
Grease
Grease
Grease
DIFFERENTIAL CROWN GEAR SPECIFICIATION
30T 0.8Mod
30T 0.8Mod
30T 0.8Mod
DIFFERENTIAL PINION GEAR SPECIFICIATION
12T 0.8Mod
12T 0.8Mod
12T 0.8Mod
INTERNAL GEAR RATIO
2.5
2.5
2.5
INTERNAL GEAR MATERIAL
Metal
Metal
Metal
FITTED SPUR SIZE
59Tooth
59Tooth
59Tooth
FITTED SPUR MATERIAL
Metal
Metal
Metal
FITTED PINION GEAR SIZE
16Tooth
16Tooth
16Tooth
FITTED PINION MATERIAL
Metal
Metal
Metal
EXTRA SPEED PINION INCLUDED
No
No
No
PINION AND SPUR TOOTH PITCH
0.5Mod
0.5Mod
0.5Mod
STANDARD FINAL GEAR RATIO
9.22
9.22
9.22
TIRE STANDARD
Small Scale
Small Scale
Small Scale
TIRES INCLUDED
dBoots FORTRESS
dBoots FORTRESS
dBoots FORTRESS
TIRE DIAMETER
125mm / 4.92"
125mm / 4.92"
125mm / 4.92"
DRIVESHAFT TYPE
CVD Front/Dogbone Rear
CVD Front/Dogbone Rear
CVD Front/Dogbone Rear
WHEEL BEAD DIAMETER
47mm / 1.85"
47mm / 1.85"
47mm / 1.85"
WHEEL HEX SIZE
12mm
12mm
12mm
WHEEL COLOR/FINISH
Black
Black
Black
MOUNTED TIRES
Yes
Yes
Yes
TIRE ATTACHMENT METHOD
Glued
Glued
Glued
SERVO HORN MATERIAL
Plastic
Plastic
Plastic
SERVO SPLINE SIZE
20T
20T
20T
BATTERY MAX DIMENSIONS
101x31x21mm / 3.98x1.22x0.83"
101x31x21mm / 3.98x1.22x0.83"
101x31x21mm / 3.98x1.22x0.83"
CHASSIS MATERIAL
Moulded Composite
Moulded Composite
Moulded Composite
TRIMMED BODY
Yes
Yes
Yes
BODY-ON BATTERY ACCESS
No
No
No
BODY PIN RETAINERS
Clipless Mounting System
Clipless Mounting System
Clipless Mounting System
TORQUE SPLIT
50/50
50/50
50/50
MODEL PRODUCTION YEAR
2023
2023
2023
ARRMA Part Number
ARA2102T1
ARA2102T2
ARA2102T3
Vehicle Name
1/18 GRANITE GROM MEGA 380 RTR, Blue
1/18 GRANITE GROM MEGA 380 RTR, Red
1/18 GRANITE GROM MEGA 380 RTR, Green
POWER LEVEL
2S
2S
2S
RADIO SYSTEM
Spektrum SLT2 Tx/Spektrum 2625RX 2in1 Unit
Spektrum SLT2 Tx/Spektrum 2625RX 2in1 Unit
Spektrum SLT2 Tx/Spektrum 2625RX 2in1 Unit
2.4Ghz
Yes
Yes
Yes
NUMBER OF RADIO CHANNELS
2
2
2
ESC
Spektrum 2625RX 2in1 Unit
Spektrum 2625RX 2in1 Unit
Spektrum 2625RX 2in1 Unit
WATERPROOF ELECTRONICS
Yes
Yes
Yes
ESC CONNECTOR TYPE
IC2
IC2
IC2
MOTOR
Mega 380 28T
Mega 380 28T
Mega 380 28T
MAXIMUM MOTOR SIZE
380
380
380
SERVO
Spektrum SX110
Spektrum SX110
Spektrum SX110
SERVO GEAR MATERIAL
Metal
Metal
Metal
ARRMA Part Number
ARA2102T1
ARA2102T2
ARA2102T3
Vehicle Name
1/18 GRANITE GROM MEGA 380 RTR, Blue
1/18 GRANITE GROM MEGA 380 RTR, Red
1/18 GRANITE GROM MEGA 380 RTR, Green

Included

BATTERY INCLUDED
Yes
Yes
Yes
CHARGER TYPE SUPPLIED
Spektrum S10 2S USB-C Smart Charger
Spektrum S10 2S USB-C Smart Charger
Spektrum S10 2S USB-C Smart Charger
BATTERY CONNECTOR SUPPLIED
IC2
IC2
IC2
TOOLS INCLUDED
Multi Tool and Hex Wrench
Multi Tool and Hex Wrench
Multi Tool and Hex Wrench

Required

Resources

ARA2102T1
1/18 GRANITE GROM MEGA 380 RTR, Blue
ARA2102T3
1/18 GRANITE GROM MEGA 380 RTR, Green