and precision-ground

Dual Certified: Complies with U

4x90mm (size Medium) or 3x110mm (Size Large) setups

FR or Seba Heel Brake Kit for 110 or 125 3 Wheel Skates - Fitting Seba Marathon 125 and a variety of other 125mm frames and skates

That's why they roll faster and last longer than mere ABEC rated bearings

Rollerblade Hydrogen Pro Firm 110mm Wheels 8-Pack - Sale Surf More XM and precision-groundHydrogen 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,