Powerslide Wheels Defcon RTS 80mm, PinkThese wheels from Powerslide are something special, They give you the ability to slide across stony surfaces without having to worry about major flat spots. Unbelievable. Powerslide wheels by name and nature. RTS Ready To Slide! First pure slide wheels DDT Dual Density Technology SHR Polyurethane; extreme wheels; Dual Density PU; 84A 78A inside soft outside hard; stone grinded surface 80mm. Sold in a pack of 4. Check out the video below for a guide on