Cloud Ride! Slide - Freeride Longboard Wheel [All Durometers & Sizes] RIDES LIKE A CLOUD - Cloud Ride! Slide urethane maintains a quick rolls speed and has a super smooth slide all the way down to the core, due to the beveled lip profile. DUMPS THANE LINES - Slides will have you leaving thick, bright thane lines. They have a consistent, smooth and chalky slide. DUROMETERS - 80a - Aqua | 83a - Cyan | 86a - Purple SPECIFICATIONS - Diameter: 66mm & 70mm | Width: 46.25mm & 54mm | Contact Patch: 38mm & 45mm