75a Soft Slide Formula (SSF), 66mm Diameter for Quick Acceleration, Snakes 02 Urethane for Effortless Slides, Highly Durable and Flat-Spot Resistant.

Set of 4 wheels.

Wheel Diameter 66mm Wheel Width 46mm Wheel Contact Width 38mm Wheel Hardness 75a Wheel Formula Soft Slide Wheel Color Purple Wheel Suggested Use All Terrain Wheel Surface Smooth