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4.7 out of 5 Customer Rating

1/10 Twin Hammers 1.9 4WD Rock Racer Kit

Item No. VTR03001
Brand Logo
4.7 out of 5 Customer Rating

1/10 Twin Hammers 1.9 4WD Rock Racer Kit

Item No. VTR03001
This Item is No Longer Available
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Product Details

Key Features

  • 4-Wheel Drive
  • Shift-on-the-fly, two-speed transmission
  • Metal transmission gears
  • Metal gear differentials
  • 4-Link rear suspension
  • Threaded-body aluminum shocks
  • Licensed Interco Super Swamper tires
  • Independent cantilever front suspension
  • Metal 12mm hexes
  • Dual position battery tray
  • Heavy duty outdrives
  • Front differential locker
  • Front and rear swaybars
  • Clear body panels
  • GenRight™ decal sheet

Needed To Complete

  • Transmitter and receiver (3-channel system required to operate two-speed transmission)
  • Steering Servo
  • Shift Servo (optional)
  • ESC
  • Battery
  • Charger
  • Motor
  • Pinion
  • Polycarbonate Paint


Named for a pair of infamous off-road trails in California’s Mojave Desert, the Twin Hammers® rock racer epitomizes the spirit of 4WD adventure. This kit version lets experienced RC drivers build the vehicle to their specifications, using the electronics and power system of their choice. It also takes the performance of this proven platform to the next level by including the option parts that have been most popular with the RTR version. These would include options like licensed Interco Super Swamper Tires, a front locker, heavy duty front axle outdrives and more.

Product Specifications

Wheel Width 26mm Outside to Outside of Bead Lock
Ground Clearance 2.25 in (57mm)
Internal Gear Ratio High Gear - 2.27:1 Low Gear - 4.05:1
Motor Size 540 Required
Battery Not Included
Spur Gear 78T
Suspension Cantilever (front), Trailing Arm (rear)
Track Surface 9.5 in (241.3mm)
Power Type Electric
Gear Pitch 48-Pitch
Servos Not Included
Tire Tread Licensed Interco Super Swamper STL SX
Vehicle Type Rock Racer
Motor Type Brushed
Rear Track 10.00 in (254mm)
Speed Control Not Included
Final Drive Ratio High Gear - 18.1:1 Low Gear - 32.1:1
Shock Type Aluminum Oil Filled Coil-over
Wheel Type 1.9" Bead Lock
Charger Not Included
Front Track 10.00 in (254mm)
Inner Tire / Outer Wheel Diameter 2.25 in (57mm) overall, 1.90 in (48.2mm) bead surface
Outer Diameter 4.6 in (116.8mm)
Product Width 9.5 in (241.3mm)
Scale 1/10
Chassis Molded composite
Completion Level Kit
Drivetrain 4WD
Pinion 28T
Ball Bearings Yes
Approximate Assembly Time 10-15 Hours
Body Unpainted Clear Polycarbonate Panels (flat hood and roof) w/ GenRight Decals
Brakes Electronic
Tire Compound Blue Compound