Crazy Crawler LaserFoam “FT Pro Basic20” 1.9 Foam Crawler Tire Insert (20mm) (4)

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Código: CZY-CYC103 Categoría:

The Crazy Crawler LaserFoam FT Pro tire insert system is a modular tire insert option developed for competition and performance focused drivers running 4.75″ tires. The FT Pro system uses three user selectable LaserFoam rings in each tire – and each package includes four foams. The red “Spur Master” is the ring that provides the lateral stability. The Spur Master insert is supported on each side by your choice of “Heavy Duty” or “Basic” rings that are added to the tire depending on the desired grip and weight of the model.

To finish off the package, choose “Basic” support rings for harder compound tires, lighter trucks under 7 pounds, or when you want maximum traction. Choose “Heavy Duty” support rings for softer compound tires, or heavier rigs that need more support. Additionally, choose from Heavy Duty and Basic in 15mm or 20mm widths as needed to tailor the insert for different tire widths, and fill out the tire perfectly.

NOTE: Ideally, you want the insert to be slightly narrower than the width of the tire. Mix and match support rings as needed to create the optimal insert for your tire.  

  • 42-45mm Wide Tire: Use two 15mm support rings with one Spur Master to create a 40mm wide insert.
  • 47-50mm Wide Tire: Use one 15mm and one 20mm support ring with one Spur Master to create a 45mm wide insert.
  • 52mm + Wide Tire: Use two 20mm support rings with one Spur Master to create a 50mm wide insert.


Material: Basic (soft)

Points: 28

Outside diameter: 116mm

Inner diameter: 50mm

Width: 20mm

Weight: 5g ea


  • (4) FT Pro Basic 20 Inserts