Bones Wheels Linear 84B Skateboard Wheels 54mm

Wheel Diameter: 54mm
Wheel Width: 37mm
Wheel Hardness: 84B = 104a
Wheel Formula: SPF
Wheel Suggested Use: Skateparks
Wheel Surface: Smooth

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.