You need 8 wheels for a pair of roller skates (2 x 4 packs or 1 x 8 pack)

The Sonar Zen provides you good performance in the most affordable outdoor skate wheel. Sold in packs of four wheels. To order a full set of wheels, be sure to set your quantity to two.

Sonar Zen Features: 

• Category: Outdoor Recreation
• Skating Style: Outdoor, Trail Skating
• Size: 32 mm x 62 mm
• Hardness: 85A 
• Hub: None
• Urethane/Color: Blue, Pink, Purple, Red, and Black
• Sold in packs of four wheels