Traxxas 7767-GRAY X-Maxx GTX Spring Retainers (4) Savage Parts 4GHz radio system with KR331

4GHz radio system with KR331 receiver unit

Scale: 1:12

Genuine Losi Racing part LOS251084

The Traxxas 7869-Blue Ultimate body is a direct-fit replacement shell finished in blue

Traxxas 7767-GRAY X-Maxx GTX Spring Retainers (4) Savage Parts 4GHz radio system with KR331GTX shock spring retainers (adjusters) machined from aluminum with a dark gray anodized finish, supplied as a set of four with integrated O rings. The spring retainer threads onto the shock body and sets spring preload, which is how you dial in ride height and how much the truck squats under its own weight. Getting preload right matters more on the X Maxx than on most trucks simply because of how much mass the suspension has to control too little and