Dragon Formula™ (DF) Urethane is another industry leading innovation. Dragons will not only roll over rough terrain like softer 93A wheels, but also grip and slide like 103A Wheels so peak performance with less of the rattle. The Dragon Formula is not only smooth, fast and slidable, it is also durable from its unique blend of high performance materials.

Features:

• 54mm diameter
• 93a Hardness
• V4 Shape
• 78% rebound