FORMULA 4: Formulated for a softer faster ride. Unmatched flatspot resistance. Designed for every spot. Grips or slides where you need it. 100% true performance urethane.

CONICAL FULL (SHAPE): Wider rider surface and cutaway design for unmatched control and lasting speed everywhere.

Size: 56mm, Duro: 97a (for lasting speed over rough surfaces)

*Please note: Stock photo shows 54mm, in stock size is 56mm