thoroughly tested compound

powering down any line

Crafted for ultimate comfort and style

and an embroidered Spitfire Bighead on the left leg

Over a decade later

BONES PRO SPF P5 SIDECUTS WHEELS Pro_Franky Villani thoroughly tested compoundSkatepark 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