This is an optional Traxxas Sledge Aluminum Chassis Brace T-Bar (Blue).
One of Sledge's® most important features is also one of its most visible. Add a dramatic new look to your Sledge with a brightly-anodized T-Bar™ chassis brace. Made from tough 6061-T6 aluminum, the T-Bar's unique shape offers more cross-sectional rigidity than round tubes. Includes 3x16 mm mounting screws (2).
