Traxxas 4185 Brake Disc Shaft-to-Disc Adapter Rustler Sport Nitro Stampede

This is the Brake Disc and Shaft Adapter for the Traxxas Nitro Rustler and Nitro Stampede.

Plastic/Fiber-reinforced Brake Disc
Steel Center Shaft Adapter

One Brake Disc
One Center Shaft Adapter

None, item is a stock replacment part.

Brake Disc Inside diameter: 14.5mm (.57")
Brake Disc Outside diameter: 30.5mm (1.2")
Brake Disc Thickness: 3.4mm (.134")

Center of Brake disc is "keyed" to keep it stationary when assembled along with the Center Shaft Adapter.