Overview

Every year, hundreds of rock racers descend on California’s Johnson Valley to take on the world’s most grueling trails. The two toughest trails, the Jackhammer and Sledgehammer, are known as the Twin Hammers. Now you too can take on any terrain with the Twin Hammers rock racer. This 1/10-scale recreation is based on a full-scale rock racer and engineered to look, and perform, just like the real thing.

Rugged 4WD Chassis with Long-Travel Suspension

The Twin Hammers® chassis has long-travel suspension with a solid rear axle, just like many full-scale rock racers. This gives you all the footing you need when crawling through rock-filled ravines or blasting across the flats.

Two-Speed Transmission

The shift-on-the-fly, two-speed transmission lets you take better advantage of the 4WD on different types of terrain. Drop it into low gear when you have to crawl over a pile of rocks and then shift back into high when you reach the other side. It’s almost like having two off-road vehicles in one.

Waterproof Electronics

A waterproof receiver, speed control and steering servo let you drive in the real world, where things get wet and the weather is often less than perfect.

Includes a Spektrumâ„¢ DX4C Computer Transmitter

An incredibly capable off-road machine deserves an equally capable transmitter. The Spektrum DX4C is just such a transmitter. In addition to 20-model memory and the unbeatable signal security of DSMR™ 2.4GHz technology, it gives you advanced software that includes programming for AVC® (Active Vehicle Control™) receivers. The best part? You get all these extras for the same price you would if a standard transmitter had been included.

Key Features

  • Independent cantilever front suspension
  • 4-link, solid-axle rear suspension
  • Adjustable, oil-filled, aluminum, coil-over shocks
  • Waterproof electronics (see manual for more details)
  • Spektrumâ„¢ DX4C 2.4GHz 4-channel computer transmitter
  • Scale lights, cockpit and body panels
  • Shift-on-the-fly, two-speed transmission
  • Dynamite® waterproof ESC
  • Dynamite 15-turn brushed motor
  • Brushless-ready drivetrain
  • 12mm wheel hexes
  • Dynamite 2S 7.4V 2000mAh Li-Po battery
  • Dual-position battery tray for use with optional batteries
  • Beadlock wheels with Race Claw 1.9 scale tires
  • Molded chassis and multi-piece roll cage
  • Compatible with AVC technology

Product Specs

Approximate Assembly Time
No assembly required
Ball Bearings
Complete
Battery
7.4v 2200mah 2S Li-Po pack
Body
Roll Cage with Painted body
Brakes
Electronic
Charger
Lipo Balance Wall Charger, 800mah, 110V-240V
Chassis
Molded
Completion Level
Ready-To-Run
Differential
Front gear diff, rear locked
Drivetrain
4WD
Final Drive Ratio
Low: 32:1 High 18:1
Front Track
9.75 in (247.7mm)
Gear Pitch
48-Pitch
Ground Clearance
2 in (51mm)
Inner Tire / Outer Wheel Diameter
1.9"
Internal Gear Ratio
Low: 4.05:1 High: 2.27:1
Motor Size
540
Motor Type
Brushed
Outer Diameter
4.1 in (104mm)
Pinion
28T
Power Type
Electric
Product Height
6.9 in (175mm)
Product Length
18 in (457mm)
Product Width
9.5" (241.3mm)
Radio
Spektrum DX4C
Rear Track
9.75 in (247.7mm)
Scale
1/10
Servos
Included
Shock Type
Oil-filled aluminum
Speed Control
Included
Spur Gear
78T
Suspension
Cantilever front, trailing arm rear
Tire Compound
Blue
Tire Tread
Race Claws
Track Surface
9.5 in (241.3mm)
Vehicle Type
Rock Racer
Wheel Type
1.9 in Beadlock
Wheel Width
0.75 in (19mm)
Wheelbase
11.6 in (295mm)

Compatibility

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Video Overview