The Radar Energy 57 features the finest outdoor urethane available for outdoor skating. The wheel glides smoothly over rough surfaces and small debris. The Energy 57 are small for transitions and tricks. They also make perfect replacements for the cheap outdoor wheels that come on children’s skates. 

• Category: Outdoor Performance
• Skating Style: Outdoor Trail Skating
• Size: 31 mm x 57 mm
• Hardness: 78A
• Hub: Micro
• Urethane/Colors: Aqua, Red, Clear Blue, Yellow, Pink, and Purple