The Stolen Hive HP features a Bee Hive like pattern that is smooth when riding upright but has a micro pattern on the cornering knobs for traction when you're laying it over. Stolen's proprietary "Super Stick" rubber compound will have you sticking to walls like Spiderman with a similar wear-life as traditional rubber. The HP (High Pressure) version features a casing that's able to withstand pressures up to 110 psi. 20 x 2.40" Inflated Width: 2.40" (62mm) Inflated Diameter: Max Pressure: 110 psi Weight: 23.4 oz