Bones Skateboard Wheels - SPF Clears Natural 58mm (Pack of 4) Review this store Brands Skatehut 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.You wont find our Skatepark Formula from any other wheel supplier so get a set and find out for yourself what the word on SPF is all about.Wheel Core NoWheel Diameter 58mmWheel Hardness 84BWheel Formula SPFWheel Color TranslucentWheel Suggested Use SkateparksWheel Surface SmoothPack of 4 £39.95 + Add to my saved list
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