ditches or pools

11 1/2" rise

1/2" Socket for Wheel Nut

Macroblade Uppers

TTT Core Matrix

Rollerblade Hydrogen Pro XX-Firm 100mm Wheels- White/Blue (8-Pack) - Sale Silver ditches or poolsHydrogen 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 88A wheels in XX Firm for added speed and