Crazy Crawler CYC106 LaserFoam Class 1 FT Pro Spur 1.9" 4.19" Foam Crawler Tire Insert 2 Pack Jetstream Originally designated the L-19

Originally designated the L-19

" That's not good enough for Traxxas

The model consists of 358 carefully designed elements that faithfully reproduce the appearance of a powerful fire truck

This system supports eighteen channels

25 Tungsten Carbide Diff Balls

Crazy Crawler CYC106 LaserFoam Class 1 FT Pro Spur 1.9" 4.19" Foam Crawler Tire Insert 2 Pack Jetstream Originally designated the L-19Crazy Crawler CYC106 LaserFoam Class 1 FT Pro Spur 1. 9" 4. 19" Foam Crawler Tire Insert 2 Pack The Crazy Crawler LaserFoam Class 1 FT Pro tire insert system is a modular tire insert option developed for competition and performance focused drivers running 4. 19" 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.