Monster sized means monster fun. One look at these monster wheels and kids get it. Opus' Stan is all about snow-day fun! A true fat bike for kids, the 24-inch Stan is easy to ride and surefooted on any terrain. Snow? No problem. Sand, dirt? Sure! Across the lawn and around the block? Stan takes it all in stride. 4-inch wide tires provide stability and confidence and roll over the roughest terrain with ease. The 7-speed drivetrain is easy to use, and the Promax hydraulic disc brakes are quality upgrades that pay big dividends in safety and performance.