BONES WHEELS SPF Skateboard Wheels Ripples 60mm P5 Sidecut 84B 4pk White
skatepark formula 84b
About Skate Park Formula™ (SPF)
Skatepark Formula™ (SPF) is very high quality urethane specifically formulated to resist flatspotting on slick or smooth surfaces while maintaining a higher rebound for a quicker response and a faster roll.
Skatepark Formula™ has a high resistance to abrasion while not compromising hardness and slide ability. Simply put… Skatepark Formula wheels grip better on slick surfaces, are almost impossible to flatspot, and are the fastest, longest lasting wheel on the market today.