Hot Racing - Heavy 76g Brass Knuckle Weight, for Traxxas TRX-4 Upgrade Parts Car and Truck Differential Components Hot Racing's optional super duty

Hot Racing's optional super duty slipper system with pressure plate

the 3-lane Japan Cup Junior Circuit is a compact course that allows white hot racing fun

All metal transmission gears

Plastic nipper

Hot Racing - Heavy 76g Brass Knuckle Weight, for Traxxas TRX-4 Upgrade Parts Car and Truck Differential Components Hot Racing's optional super dutyHot Racing heavy brass knuckles weights for the front (typical application) or rear of the Traxxas TRX 4 crawler. Adds weight to the Traxxas TRX 4 crawler where it needs it down low. Adds 76g per knuckle to lower the vehicle's center of gravity, increase its stability, and make it an overall more capable crawler. When used on the front, these weights aid climbing and help reduce the chance of flipping backwards. Features: CNC machined solid brass