The Bones STF Standard Wheels are specifically formulated for what you skate. The Standard Wheels are made with the Bones Street Tech Formula, giving you more slide-ability and way less flat spots. Made in the U.S. at the Bones factory in Santa Barbara, California, the Standard's are skater engineered and designed. Available in 51mm, 53mm, and 54mm. Bones graphic at front in multicolors over white and black.