The OJ Wheels Black Sabbath Vol. 4 Black 56mm, 78a Key Frame Wheels feature Black Sabbath Vol. 4 artwork on our black 78a urethane with a yellow core.
© 2026 BS Productions Limited. Under License to Bravado Merchandising. All Rights Reserved.
Juice Specs
OJ's 78a soft urethane formula makes Keyframe wheels the perfect choice for a cruiser / filmer board or set them up on your regular skateboard when you're hitting a rugged spot.
OJ Wheels: Roll with the Juice.
Wheel Diameter (Millimeters)56
Wheel Durometer/Hardness78a
Road Surface (Millimeters)21.85
Wheel Width (Millimeters)34.86
