Normal Tire Mountain Bike Rims: 27.5 InchFrame: Carbon SteelBrake system: Disc BrakeShifter: Power 21-speed grip shifterRider Height: 5.2'-6.2'Maximum Rider Weight: 330lbsNotice: Violent transportation may also lead to damage to the product, please confirm whether intact before receiving the package, if the package was damaged, don't worry, send the pictures and videos to our customer service team, and we'll apply for a    full refund or a brand new one replacement.Fat tire Mountain BikeNumber of Speeds: 21Color: White/BlackWheel Size: 26 InchesFrame Material: Carbon SteelSuspension Type: Front 【INSTRUCTION】1. This bicycle arrives with 95% assembled. You need to install the front wheel, pedals, handlebar, and seat, and air up the tires.2. Bike Installation instructions are included in the package, please read them more carefully before installing the bike and tuning the brake and speed system. 

• Responsive 21-speed gear system for versatile performance
• Fat tires for exceptional stability and traction on various terrains
• Sturdy frame built to withstand rugged off-road conditions
• Ergonomic saddle and handlebars for comfortable riding experience
• Reliable front and rear disc brakes for responsive stopping power