Built specifically for scale crawlers, Nebula RC NoFoam™ replace traditional foam inserts, providing increased durability and
100% waterproofing. These inserts are an economical solution to used and
deteriorated traditional foams.
Class 2 means these are intended for tires that are 4.75" (120mm) tall outer diameter.
OD: 4.17" (106mm)
Width: 1.69" (43mm)