Seismic Skate Systems Booster Wheels - White/Blue Hub 63mm 97A (set of 4)
- 63mm tall x 42mm wide Booster Wheels.
- Offset bearing seat, double-radius design.
- 3.4 oz. each.
- Poured in premium urethane.
Molded around Seismic's weight-saving Mini-EC hub, the Boosters offer breakthrough performance for modern pool and park skating. Poured with the world's most advanced no-flatspot formula, stone-ground for that broken-in feeling, and uniquely light for their height and width. Great for hard-wheel sliding, too!