hydrogen pro 100mm XX-FIRM 8-pack Roces X35 Silver comes with silver aluminum

Silver comes with silver aluminum and black plastic block

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The small core still allows for enough give in the urethane to create a good 'footprint' (for grip) and shock absorption

a supportive & lightweight hard shell design

hydrogen pro 100mm XX-FIRM 8-pack Roces X35 Silver comes with silver aluminumHydrogen Pro wheels are made in the USA with the highest quality materials, standards and attention to details to be used during all race conditions and leisure skates for consistent, top end performance on road, track, long distance and sprints. provides the extra speed required for athletic competitions. excellent, consistent performance, superior control in turns, great speed all track speed competitions They incorporate a multi layer technology,