Hydrogen Pro 110mm wheels – 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. X-Firm provides the extra grip required for athletic competitions.XX-Firm provides the extra speed required for athletic competitions.FEATURES:ELITE PERFORMANCE – Hydrogen Pro 110mm/85A wheels in X-Firm for added speed and excellent wearEXCLUSIVE DUAL POUR FORMULA – Inner ring is softer for flex, outer ring is firmer for speedULTIMATE MARATHON WHEEL – 12-spoked core vibration absorption and controlMAXIMUM GRIP AND WEAR – Proprietary urethane formula and inner T-ring designMADE IN THE USA
