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DURABLE FOR MANY LAPS OF USE - The Sonar Ninja roller skate wheels' durable urethane breaks in quickly and offers an excellent feel. The precision aluminum anodized hub offers excellent stiffness, response, and curb appeal with user-friendly bearing fit.
DESIGNED FOR ROLLER DERBY - Light, fast, and aggressive to ride, these wheels are ideal for the precision stops of roller derby. These wheels are designed for jam, derby, speed, and session skating styles
SMOOTH RIDE FOR UNINTERRUPTED SKATING - These hard skating wheels roll smoothly to help improve the comfort of your ride. The Sonar Ninja wheels from Riedell can upgrade your skates or be future replacements.
HIGH PERFORMANCE - The Sonar Ninja agile skate wheel has a solid aluminum hub that provides high performance at a nice price.
SHOW YOUR STYLE - These skate wheels each come with a unique color and hardness combination: Teal 88A, Pink 91A, and Blue 93A. This product is not a children's product and is not designed or intended for use by children 12 years of age or younger.
Sonar Ninja Agile Wheels (4-Pack) The Sonar Ninja agile wheels offer a stength and high performance for a nice price. Light, fast, and aggressive to ride, these wheels are ideal for roller derby, jam, speed, and session skating styles. Featuring the solid aluminum hub and urethane wheel, the Ninja sets a new standard for derby performance. Sold in packs of four wheels. To order a full set of wheels, be sure to set your quantity to two. About Riedell Paul Riedell and his wife Sophie founded Riedell Shoes Inc. in Red Wing, Minnesota more than 70 years ago with one goal in mind – to produce and offer only the finest quality skates available in the market. Paul desired to make skating available to people of all ages and abilities by creating comfortable and affordable skates that still incorporated the same attention to detail and quality found in every Riedell product. As time has gone by, Riedell Shoes has continued to re-invent its product lines and hire only the most skilled and professional employees in the hope of achieving the very same perfection that inspired Paul. Through extensive knowledge of skate fitting and advanced comfort and performance technologies, Riedell Skates has assembled the most complete and sophisticated line of roller and figure skates in the industry. Whether you are interested in a comfortable skate that accentuates your style, or you are looking to gain a competitive edge, Riedell has the skate for you.