Hawgs Landyachtz Boss Wheels [All Durometers and Colors] DIAMETER - 70mm | WIDTH - 46mm | CONTACT PATCH - 32mm DUROMETERS - 76a - Blue | 78a - Red | 80a - Gray LOTS OF URETHANE - These wheels leave a lot of thane on the ground, but also last a very long time in comparison to its competitors. GIANT CORE - Provides extra roll speed and a more consistent slide. GREAT FOR RIDERS OF ALL LEVELS - These wheels are easy to slide but are also great for cruising and learning new tricks.