CFX-W High Performance Scale Rock Crawler Kit (No Body) by MST 300/313mm Wheelbase

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Frederick, MD

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This product was added to our catalog on March 13, 2017.

The MST CFX-W Kit is a high performance scale truck designed to deliver incredible performance. With features that include heavy duty steel CVA front driveshafts and 40 of steering angle, combined with steel gear portal axles and 4 link suspension - the CFX-W is a scale rig that can go anywhere the other guys can do and surpass them. Read on to discover why the CFX-W is the ultimate kit for enthusiasts looking for their next project.

The CFX-W features a forward mounted motor, with a planetary gear transmission and transfer case system that creates a gear reduction ratio perfect for crawlers. With steel gears and bearings throughout the transmission the CFX-W will transfer power from the motor to the axles smoothly and efficiently. The portal axles provide 55mm of ground clearance at the pumpkin, helping to create the clearance you need to scale those tricky technical sections where you competition gets hung up. The portal gear boxes are steel geared as well for durability.

A rear mounted battery and electronics plate helps to balance out the weight bias of the forward mounted motor and transmission, and large 4.72 diameter scale pattern tires keep the truck planted. Combine this with an axle mounted steering servo and aluminum links and you have an incredibly capable platform available at an affordable price point. All these features combined make the CFX-W a great choice for both pure scale and high performance builds.


  • MST classifies this truck as 1/8 scale, but the wheelbase and track width are similar to 1/10 models from other manufacturers. See specifications below for a full listing of measurements.
  • 300mm Wheelbase fits 11.8" wheelbase bodies
  • The kit includes the parts needed to extended the wheelbase from 300mm to 313mm.

Wheelbase: 300mm
Width: 230mm
Gear Ratio: 1:36.3 ~ 1:53.4
Tire Width/Diameter: 40 x 120mm (4.72 OD)
Approach Angle: 67
Departure Angle: 67
Break Over Angle: 55
Ground Clearance: 80mm

Needed to Complete:

  • 7.4V - 11.1V LiPo Battery & Compatible Charger
  • Transmitter & Receiver (2 Channel minimum)
  • High Torque Steering Servo
  • 1/10 540 ESC & Motor (Crawler specific system recommended)
  • Mod 0.6 Pinion Gear
  • CA Glue for Tires
  • Body to Fit 300mm/11.8" Wheelbase
  • (4) AA Batteries for Transmitter
Vladimir VL
Verified Owner
Sunday, Nov 19 2017 (3 weeks ago)
MST CFX-W High Performance Scale Rock Crawler Kit (No Body)
Chassis pleases with its bundling, in the set there is not anything excess. But there is one very significant drawback - the axles break! This happens in the mud or with the maximum turning out of the wheels. You should wait, maybe the manufacturer will release reinforced axles?! This disadvantage is frustrating ...)