Bones Super Swiss 6 bearings (SS6) are fundamentally different from our famous Bones Swiss

Traditional 7 Ply Construction

CONS traction rubber outsole

The Formula Four Conical Full skateboard wheels feature Spitfire's performance urethane that lasts longer and withstands more abuse than the competition

with a shoe that had a grip like no other

Spitfire F4 99d Classics Skateboard Wheels - 55mm feed-color-Light Pink Bones Super Swiss 6 bearingsSometimes a wheel needs no intro. But we'll give you one anyway. The Spitfire Classics have a timeless look and design. Classics are manufactured specifically unique to other wheels on the market. Each wheel is specially designed for speed and control no matter what size you ride. The 99a durometer creates a hard wheel that won't back down from rough landings, while the soft construction will ensure solid board feel and a comfortable landing. Classics