Rollerblade Hydrogen Pro X-Firm 90mm Wheels 8-Pack O'Neill Superfeet donates 1% of sales

Superfeet donates 1% of sales and 1

These quality wheels from Undercover come in with 55mm/92a specs

Superior roll and speed

Average weight per frame: 10 oz

80mm Bladerunner wheels and ABEC 7 bearings allow for moderate speed with less effort

Rollerblade Hydrogen Pro X-Firm 90mm Wheels 8-Pack O'Neill Superfeet donates 1% of salesHydrogen 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,