Bones SPF 104a Lasek Tortoise & Hare P5 Sidecut Skateboard Wheels Size:56mm form-fitting polyester & elastic knit

form-fitting polyester & elastic knit wrist at pulse-point

This 80A urethane is substantially more durable than other formulas and has a bunch of grip

classic mid-top silhouette

8 plys of the finest North American Maple

14" Wheelbase

Bones SPF 104a Lasek Tortoise & Hare P5 Sidecut Skateboard Wheels Size:56mm form-fitting polyester & elastic knitSkatepark 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