The Bones STF Wieger "Annie" edition.
Wheel Diameter 53mmWheel Width 34mmWheel Hardness 83BWheel Formula STFWheel Color OrangeWheel Suggested Use StreetWheel Surface TreadedWheel Shape V4About Street Tech Formula™ (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.