Rollerblade Hydrogen Pro 110mm XX-Firm Inline Skate Wheels

Features

• XX-FIRM (EXTRA SPEED) AND X-FIRM (EXTRA GRIP) WHEELS ARE MEASURED in mm (height size) and A (durometer/hardness). Hydrogen Pro Wheels are different due to their dual pour technology and come in 2 different hardnesses and sizes.
• 110mm EXCLUSIVE DUAL POUR FORMULA with incredible resilience, roll and rebound. Inner ring is softer for flex, the outer ring is firmer for speed.
• THE ULTIMATE TRACK RACING WHEEL with an exclusive disc shaped core which properly supports the urethanes for increased flex on the corners and a better roll on the straight lines when racing.
• MAXIMUM GRIP, WEAR AND VIBRATION REDUCTON come from the proprietary urethane formula and inner T-ring shaped design.
• MADE IN THE USA, 8 WHEELS PER SET (bearings and spacers not include