Spitfire F4 97duro Conical Full NAT 58mm

Try out the Spitfire Conical Full 97a shape that features wider riding surface and and wall that locks in beautifully on ledges and rails. Works great for street and tranny. 

Formula Four Performance Urethane is unlike any other and a world renown shape which is known and loved worldwide. Formula Four wheels retain more material, cone less and keep their original shapes and sizes longer than any other wheel.