Bones STF Deep Dye V1 Skateboard Wheels - Pink Hoodies & Sweatshirts Spitfire's 80HD formula prevents unwanted

Spitfire's 80HD formula prevents unwanted flex that occurs in other wheels of the same durometer

- A half inch camber through the length of the deck works in combination with the boards natural flex

it may be time to consider making Kegels a part of your personal workout regimen

Integrated bottom cushion cup

It can take up to 5 days to break in the arch if you have flat feet

Bones STF Deep Dye V1 Skateboard Wheels - Pink Hoodies & Sweatshirts Spitfire's 80HD formula prevents unwantedBones STF Skateboard Wheels Durometer: 83B (103A) Shape: V1 ABOUT 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