This is the GPM Racing Traxxas brass outer portal drive housing (front or rear)"Heavy Edition" for TRX-4 vehicles.
This product includes :
Stainless Steel Flat Head Screw 2.5*8-16pcs
Product major function & usage:
made by brass to increase the weight of each wheel of 50 grams to stabilize the wjeel,enlarge the angle of crawling ,especially when the car is dig into the low lying area landspace ,grab the ground firmly and smoothly drive back to level.
use for front and rear, each one weight 50 grams