UpGrade RC 1.9" Class 2 Dual Stage Rock Crawling Foam Inserts (2) (Closed Cell Inner/Soft Outer) RTR Spring-steel spring for consistent performance

Spring-steel spring for consistent performance

Note : Does not work with Standard 25T

Note: Smart G2 batteries require the use of a Spektrum Smart Charger

and 4 wheel nuts

Automatic Charging on Spektrum Smart charger reduces time and get you back to racing fast

UpGrade RC 1.9" Class 2 Dual Stage Rock Crawling Foam Inserts (2) (Closed Cell Inner/Soft Outer) RTR Spring-steel spring for consistent performanceHigh Performance 1. 9" Foam Tire Insert: The UpGrade RC 1. 9" Class 2 Dual Stage Rock Crawling Foam Inserts are the perfect option to improve the sidewall performance of the UpGrade RC 1. 9" Rock Claw. 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,