These are a set of 2.2" Mounted Satin Chrome Wheels and Tires for the Traxxas Slash, TRAC43**. FEATURES: Rear tires 2.2" Satin Chrome Wheels Off-Road Racing Tires 5 spoke design INCLUDES: Two 2.2" mounted Off-Road Racing Tires, Satin Chrome Wheels Foam Inserts REQUIRES: Installation on vehicle SPECS: Outside diameter: 111mm (4.37") Width: 45mm (1.77") Inside diameter: 53.4mm (2.10") Hex Size: 12mm