Check the listing for details. Traxxas 9573 - Tires & Wheels Belted Sledgehammer (Black Wheels) Sledge. Condition: New. Listed at 69.95 USD. Traxxas 9573 - Tires & wheels, assembled, glued (3.8" black wheels, belted Sledgehammer® tires, foam inserts) (2) Belted Sledgehammer® tires deliver game-changing stability and control whether you’re slinging mud or setting speed records. The wide, open-block tread design won’t clog up with dirt or debris and the lightweight belting maintains the tire’s shape for a larger contact patch, more grip, and responsive handling at any speed. The Sledgehammer’s increased diameter gives your Sledge® a more powerful stance with more ground clearance. Sledgehammer tires come pre-mounted to 3.8″ black Sledge wheels with an ultra-tough glue bead for the most extreme high-speed off-road action. Fits 17 mm splined hex, front or rear.