• Durometer: 81a
• Diameter: 73mm
• Width: 66mm
• Contact Patch: 66mm
• Core Placement: Centerset
• Lip Profile: Square
• Wheel Surface: Smooth
73mm tall and 66mm wide, a life force that will keep you in constant motion gripping and ripping every road. The inner and outer lips will respond to hard turns and tight lines with maximum grip. A Centerset core that offers better support for the urethane. More compact urethane formula in 81A to improve roll speed and help with those high speed slides.