After achieving an even finish with the Fluorescent color

These 15 gram and 27 gram chassis weights key into the front chassis pocket

Hard Aluminum Diff Case for Summit

but without the risk of damage or fire that exists when a Li-Poly battery is abused

0mm (Orange)

Hot Racing - Heavy 47g Modular Brass Inner Knuckle Weight, for TRXF21HE HPI116103 After achieving an even finishHot Racing heavy brass modular add on inner knuckle weight for the front of the Traxxas TRX 4 crawler equipped with the Hot Racing TRXF21HE Modular Brass Outer Portal Drive Housing. Adds weight to the Traxxas TRX 4 crawler where it needs it down low. Adds 47g per hub to lower the vehicle's center of gravity, increase its stability, improve climbing, reduce the chance for flipping backwards, and make it an overall more capable crawler. Features: CNC