Spitfire Formula Four Conical 99a Wheels Size:54mm - 219mm / 80-68-68-80 (4x72mm

- 219mm / 80-68-68-80 (4x72mm equivalent)With the rockering system (2nd and 3rd wheels' axles) you can swtich between riding Flat or Rockered depending on your preference

It is basically silky smooth torso butter

The elevated heel increases the surface area in contact between your foot and the midsole

Recommended for boot sizes 44-47

• 3 WHEEL DRIVE (3WD) HIGH PERFORMANCE - Increased lateral support for faster skating and enhanced

Spitfire Formula Four Conical 99a Wheels Size:54mm - 219mm / 80-68-68-80 (4x72mmSpitfire Formula Four Conical 99a Wheels are the newest wheel by Spitfire. Tested by Spitfire Team riders, Formula Four Performance Urethane lasted longer, withstood more abuse and performed superior to all other wheels. Spitfire Formula Four Urethane was developed to combine all the desired properties of a performance wheel without sacrificing any one attribute at the expense of another. Formula Four's True lasting Performance Urethane comes not from