One look at these monster wheels and kids get it. The Stan is all about fun! A true fatbike for kids, the 24" Opus Stan is designed to be easy to ride and surefooted in any terrain. Snow, sand, dirt, across the lawn and around the block? The Stan takes it all in stride. The wide range single-ring drivetrain is easy to use, and the hydraulic disc brakes are quality upgrades that pay big dividends in safety and performance. Features: - 24" x 4.0 tires provide stability and confidence, and roll over the roughest terrain with ease - 7-speed drivetrain and hydraulic disc brakes - Low standover height, youth-sized components - Frame: Opus aluminum 6061 - Fork: Opus Fat Rigid CR-MO 135mm - Size: 24" - Shifters: SRAm X3 Trigger 7 - Front derailleur: N/A - Rear derailleur: SRAM X3 - Brakes: Promax Solve 2 Piston Hydraulic 160mm - Brake levers: Promax Solve - Crank: Samox Alloy 152mm - Chainrings: 32 - Bottom bracket: 5-piece steel - Cassette: Shimano TZ31 14-34 - Chain: KMC Z51 - Headset: VP Semi-Integrated - Handlebar: Zoom 30mm Rise - Stem: Promax 60mm 15" - Grips/Tape: Opus Kraton - Saddle: Opus Junior Black - Seatpost: Promax alloy 30.4 X 300 - Wheels/Rims: Star Circle 507 X 100mm - Hubs: Modus Alloy Fatbike - Tires: Chao Yang Cruiser 24 X 4.0 - Pedals: Wellgo Resin