The Monster Tire USA-1 is a genuine Kyosho replacement part (part number MAT403)

Suits 5mm motor shaft diameter

It provides a pivot point for suspension links and rod ends

Overall length: 33

for the Traxxas Revo 3

Traxxas 4422 Blue Aluminum Lower Chassis Nitro Slash O Scale The Monster Tire USA-1 isTraxxas 4422 Blue Aluminum Lower Chassis Nitro Slash Rebuild the foundation of your Nitro Slash with this genuine Traxxas lower chassis, machined from aluminum and finished in blue. It's a direct factory replacement that ties your drivetrain and suspension components together. Aluminum construction resists bending and cracking far better than stock chassis materials under hard use. Lower chassis Aluminum construction Blue finish Fits Traxxas Nitro