Amazon.com: 8 Pack 32 x 58mm 82A Roller Skate Wheels with Bearing for Indoor or Outdoor, Rolitwils Quad Roller Skate Wheels with Multi-Function Portable Skateboard Accessories T Tool for Double Row Skating :
Outdoor Quad Skate Wheels - Devaskation.com
Impala Outdoor Wheels- AQUA – Pigeon's Roller Skate Shop
Cal 7 Sparkly Roller Skates for Indoor and Outdoor Skating, Faux Leather Quad Skate with Ankle Support and 83A PU Wheels for Kids and Adults (Pink, Youth 6, Men's 6, Women's 7) - Walmart.com