Features:

• Diameter: 51mm, 52mm, 53mm, 54mm, 56mm, 58mm
• Durometer: 99a
• Formula Four Series
• ClassicShape
• Pack of 4

Material:

• Formula Four Performance Urethane

FORMULA 4
Unbeatable lasting performance SPITFIRE urethane. Fast as hell. Long lasting, abrasion resistance, smooth anti-stick slide with a controllable grip. Guaranteed.

CONICAL FULL (SHAPE)
A wider version of the Conical Shape. Wide riding surface, cut in sidewalls to decrease weight. A solid, Controllable shape for all terrains.