The UpGrade RC 1.0" Class 2 Dual Stage Rock Crawling Foam Inserts are the perfect option to improve the sidewall performance of your micro 1.0 crawler tires. Adding these ensures that your sidewalls do not flex, keeping consistent contact with the ground.
About the Dual Stage Foams
Design
These advanced foam inserts feature an outer, white, soft foam that allows the tire to easily conform to the terrain, while the inner, red, firm foam keeps the tire stable when more load is applied to the tire.
