This is an optional Traxxas TRX-4M Aluminum Center Driveshafts Male (Blue)
Upgrade your TRX-4M’s™ center drivetrain with these heavy-duty aluminum telescoping driveshafts. Made from tough 6061-T6 aluminum and anodized in brilliant color, they add unbeatable strength and style to your truck. Includes front and rear steel drive drive stubs, aluminum center shafts, and 1.6x7 mm screws with thread lock (4).
