Radar Ninja Agile Wheels 59mm x 38mm 4 Pack (NEW) Duro 90a and leave an indelible mark

and leave an indelible mark on the skating world

better stability

Has a urethane hardness of 95A and available in translucent colors

Three hardnesses for those slippery surfaces where a hybrid wheel bogs down and the harder wheels slide like crazy

95A Yellow

Radar Ninja Agile Wheels 59mm x 38mm 4 Pack (NEW) Duro 90a and leave an indelible markRadar Sonar Roller Skate Wheels Ninja 59mm x 38mm for greater maneuverability at speed. Note: precision aluminum annodized hub to keep that perfect round at speed and in jumps. Primarily used as Indoor derby wheels but I bet they would also be good in skate parks. Bargain priced. Speed grooves the idea is that Urethane flexes and the groove gives more traction. Radar Ninja Agile Aluminium Wheels Features 59mmm tall, 38mm wide Teal 88a, Pink 91a, Blue