Quick view Wishlist Sonar Riedell Skates Sonar Zen Outdoor Skate Wheels (Set of 4) USD 30.00 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... Choose Options Add to Wishlist
