Key Features: Fits the Traxxas Unlimited Desert Racer Soft foam inserts Stepped blocks and multiple sipes create unmatched grip Special desert racing compound Needed to Complete Nothing What's in the box? (2) Hyrax All Terrain Unlimited Desert Racer Tires (2) Open Cell Foam Inserts Overview: Designed from the ground up for incredible grip and stability on the toughest terrain. Aggressive open tread pattern with each tread block containing multiple sipes for improved traction. The highly detailed connected tread on the sidewall of the Hyrax extends out for added scale realism and sidewall rigidity to prevent traction rolls.