Formula Four Urethane - Unmatched abrasion resistance for fewer flat spots. More controllable grip. Lasting speed no matter the terrain. Smooth anti-slick slide and a longer lasting size and shape.

Conical Full Shape - Wider riding surface and cutaway design for unmatched control and lasting speed.

Sold as set of 4

Bearings NOT included.

Spitfire F4 Conical Full 101D

Wheel size