Set of 4 Da Blues Stone Ground Edge Wheels 78mm | 80a. Poured in California, Freebord’s Da Blues wheels are the result of extensive R&D. Fueled by rider progression and tested by Freebord’s Pro Team, Da Blues are the highest performance wheel in our lineup. Their custom shape, custom urethane and 45mm contact patch provide maximum grip while still delivering a consistent and predictable slide. Freebord’s most durable wheel will elevate your riding no matter what style of rider you are. You will find these wheels under the feet of every Freebord Pro Team rider.