Hydrogen Pro Wheels 8-Pack

Grab an 8-pack of fast wheels for your inline skates

The Hydrogen Pro Wheels by Rollerblade are available in three different durometers, allowing you to pick up the ones that fit your needs the best.

They're all made in the US from Rollerblades "dual-pour" urethane formula and feature a disc-shaped core, allowing increased straight speed and added flex on corners.

Which to choose?

• Firm = 83A / F2
  Choose the firm for casual fitness skating around your neighborhood
• X-Firm = 85A / F1
  Choose the X-Firm for track racing and competition
• XX-Firm = 88A / F0
  Choose the XX-Firm for marathons and longer road races