This is the Stock Replacement Disk Brake and Adapter for the Nitro 4-Tec.
FEATURES: Black, woven fiber construction
Adapter is black nylon
INCLUDES: One brake disk
One brake adapter
One adapter pin
REQUIRES: Installation into Traxxas Nitro 4-Tec.
SPECS: Disk outer diameter: 26.3mm (1.04")
Disk thickness: 3.3mm (0.13")
Pin length: 9.8mm (0.39")
Pin diameter: 2mm (0.08")
COMMENTS: This part is designed specifically for the Nitro 4-Tec