and smooth

Meaning there is no male piece

Skate Rated clearances

Razors Buckles and Volkreis Straps will work

Riedell Skates Sonar Zen 62mm Outdoor Skate Wheels (Set of 4) Sandbox and smoothLooking for a good outdoor Quad skate wheel? The Sonar Zen provide good performance with 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