Bones Wheels X Formula Skateboard Wheels 99A 54mm - High Performance Skateboard Wheels for Street and Park Skating - Durable and Smooth Ride for Skaters of All Levels

Bones X-formula Wheels 54mm Hardness 99A v5 Sidecut

• Diameter: 54mm
• Hardness: 99A
• X-Formula
• V5 Sidecut
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 just like harder wheels do. X-Formula™ wheels are produced in two hardnesses 97A and 99A also known as X97 and X99.