Insulated Warmth and Time-Tested Stormproofing

3 customizable modes: Focus

medium concave & kick angles

Taller cuff fit

If it’s good enough for Anthony

Bones XF-Death Venom V6 99A Wheels 55mm 142.5 Insulated Warmth and Time-Tested StormproofingDiameter: 55mm Durometer: 99a Wheel Width: 35mm XF Formula About: The amazing new X Formula (XF) is another industry leading innovation from the BONES WHEELS factory. X Formula rolls over rough terrain like softer wheels do, but slides much like a harder wheel will. Speed: X Formula is extremely fast because it has a super high rebound. X Formula rolls much smoother and faster on all terrains because it absorbs vibration and softens impacts much