Two additional saver spring (Soft and hard compared to stock Traxxas spring)

This assembly kit creates an R/C model of the U

and fine-tune the rigs ride and abilities further than ever before

Infraction

Gives precise fit to lock on to the servo 25 spline

Power Hobby - 1.55" 1/10 Dual Stage Rock Crawling Foam, Soft, 2pcs HPI120081 Two additional saver spring (SoftIncludes: 2 Foam InsertsFeatures: Dual stage for incredible grip and sidewall support Extremely Durable Closed Cell Foam Lightweight Inner Closed Cell for Unmatched Sidewall Support Soft Outer for Maximum Traction Improved Performance and Appearance Waterproof Inner foam