The Bones SPF Ripples 81B P5 Sidecuts Wheels feature Bones’ Skatepark Formula—a very high quality urethane specifically formulated to resist flatspotting on slick or smooth surfaces while maintaining a high rebound for a quicker response and a faster roll. Designed to be versatile and lightweight to lock-in with less slide drag for longer and faster grinds.

Features:

• 81B/101A durometer
• High resistance to abrasion while not compromising slide ability
• Better grip on slick surfaces
• Flat spot resistant
• Fastest, long lasting wheel