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 would.

Diameter: 55mm
Durometer: 97a
Wheel Width: 32mm

Features:

• Perfect slip-to-grip ratio
  
• Reduces feet numbing vibration
  
• Absorbs impact for softer landings
  
• Rolls smoother & faster on all terrains
  
• Slides like butter & cuts through the crust