FOX – PANTHER – MUSTANG – LEOPARD Professional FreeStyle WheelsHardness: Fox (Green) 92A – Panther (White) 95A – Mustang (Gray) 97A – Leopard (Yellow) 99ADiameter: 57mmCompound: Cast Urethane BiCompound FormulaHub Info: Shockproof Hub, Green, White, Gray, Yellow Sold in sets of 8 wheels. No mixing of hardnesses. The Professional (Animals) Wheels are the Tightest of the hi-end Professional FreeStyle Wheels available from Roll Line today and this series is probably skated on, jumped on, and spun on by more National and World Champions than any other FreeStyle series of wheels. Roll Line has developed this wheel giving it properties that withstand the extreme abuse a FreeStyle skater can dish out. The Roll Line Professional is a low-profile, very durable wheel which has incorporated a Hub which is Strong, Light, and with extremely Close Tolerances for Roundness, Trueness, and for the Cage where the Bearings and Spacers are mounted. The Roll-Line Tread is a Cast Urethane BiCompound Formula, which provides very Tight Grip, while providing great ROLL. The hub color identifies which hardness the wheel is.Green Hub: 92A.White Hub: 95A.Gray Hub: 97A.Yellow Hub: 99A. The softer the wheel, or lower Shore “A” hardness number, the more the grip and slightly less roll. The harder the wheel, or higher Shore “A” number, the more the roll, with slightly less grip. Fox – Extra soft, for very slippery surfacesPanther – Soft, for fairly slippery surfacesMustang – Medium, for medium rough surfacesLeopard – Hard, for rough surfaces
