The ARRMA Granite Grom 4X4 RTR is a 1/18-scale electric monster truck featuring four-wheel drive and a brushed power system. Designed in a compact format, it combines a MEGA 380 28T brushed motor with a waterproof Spektrum SLT 2-in-1 electronic speed controller and receiver.
The truck features a Spektrum SLT2 2.4GHz radio system, an SX110 waterproof metal-geared steering servo, and a rechargeable 2S LiPo battery. The RTR package also includes a USB-C Smart charger and four AA transmitter batteries.
The Granite Grom is compatible with 2S LiPo power. The manufacturer advertises a top speed of 20+ mph, depending on operating conditions.
1/18 scale
4WD drivetrain
Brushed electric power system
ARRMA MEGA 380 28T brushed motor
Waterproof Spektrum SLT 2-in-1 25A ESC and receiver
Spektrum SLT2 2.4GHz transmitter
Spektrum SX110 waterproof metal-geared steering servo
Compatible with 2S LiPo batteries
Spektrum Smart 7.4V 1400mAh 2S 30C hard-case LiPo battery included
Spektrum S10 Smart G2 Mini 2S USB-C charger included
Four AA transmitter batteries included
Manufacturer-advertised speed of 20+ mph
1 × ARRMA Granite Grom 4X4 RTR monster truck
1 × Spektrum waterproof SLT 2-in-1 25A ESC and receiver
1 × ARRMA MEGA 380 28T brushed motor
1 × Spektrum SLT2 2.4GHz transmitter
1 × Spektrum SX110 waterproof metal-geared servo
1 × Spektrum Smart 7.4V 1400mAh 2S 30C hard-case LiPo battery
1 × Spektrum S10 Smart G2 Mini 2S USB-C charger
4 × AA transmitter batteries
1 × Granite Grom product manual
