53MM. The 100's OG Skateboard Wheels from Bones feature Bones' original urethane formula for those of you who are resistant to change.

Diameter: 53mm

Width: 34mm

Hardness: 100A

Formula: OG

Color: White

Surface: Smooth Why Choose STF

Street Tech Formula (STF) is specifically engineered from top quality components to obtain all the best properties necessary for the ultimate in street wheel performance.

BONES WHEELS has created a wheel with a substantially higher rebound for more speed and amazing slide capabilities while maintaining a resistance to flat spotting well beyond any standard wheel. The technology behind STF is proven. The results speak for themselves.

Hype is hype, quality is for real. Try Street Tech Formula wheels on your next setup and see for yourself. Why Choose SPF

Skatepark Formula (SPF) is very high quality urethane specifically formulated to resist flatspotting on slick or smooth surfaces while maintaining a higher rebound for a quicker response and a faster roll.

Skatepark Formula has a high resistance to abrasion while not compromising hardness and slide ability. Simply put… Skatepark Formula wheels grip better on slick surfaces, are almost impossible to flatspot, and are the fastest, longest lasting wheel on the market today.

You won't find our Skatepark Formula from any other wheel supplier so get a set and find out for yourself what the word on SPF is all about.