Moxi Skates - Gummy - Outdoor Roller Skate Wheels - 4 Pack of 40mm x 65mm 78A Wheels DURABLE FOR ENDLESS USE - The Moxi Gummy roller skate wheels' durable processed urethane gives you long lasting grip from sidewalk to pavement. ENGINEERED TO AN IDEAL RIDE - These outdoor recreation skate wheels reduce friction, and they improve speed on various types of outdoor surfaces. These quad rollerskate wheels are perfect work for recreational outdoor skating. SMOOTH RIDE FOR OPTIMAL SKATING - These versatile outdoor skating wheels feature a gummy urethane that rolls smooth to help improve the comfort of your ride no matter the oudoor surface you skate on. The Moxi Gummy wheels can upgrade your skates or be future replacements. INCREDIBLY RESPONSIVE TO YOU - The 40mm x 65mm Moxi Gummy outdoor skate wheel has a urethane hub that makes for a comfortable ride and offers excellent handling for trail skating. ABLE TO MATCH ANY SKATES - These skates wheel come with a 78A hardness and in six different color to match any set of skates: pink, teal, lavender, honeydew, clementine, and pineapple.