Elevate your skating performance with the Rollerblade Hydrogen SE 90mm Inline Skate Wheels 8-Pack. These wheels, made from robust urethane, are designed to boost both speed and traction. The twin 6 flow core interface delivers rigidity, complemented by the ILQ-9 bearings that ensure seamless and rapid spins. Ready for use right out of the box, this set contains 8 wheels, 16 bearings, and 8 spacers. Experience exceptional performance on every ride!