Hydrogen Pro 100mm XX-Firm wheels are designed for track racing. Made in the USA with an exclusive dual-pour urethane formula, the outer ring enhances wear while the inner ring improves mechanical grip. The disc-shaped cores enable higher rebound, better flex on corners and more straight speed. XX-Firm provides the extra speed required for athletic competitions.
FEATURES:
• ELITE PERFORMANCE - Hydrogen Pro 100mm/85A wheels in XX-Firm for added speed and excellent wear
• EXCLUSIVE DUAL POUR FORMULA - Inner ring is softer for flex, outer ring is firmer for speed
• ULTIMATE MARATHON WHEEL - 12-spoked core vibration absorption and control
• MAXIMUM GRIP AND WEAR - Proprietary urethane formula and inner T-ring design
• MADE IN THE USA - bearings and spacers not included