This mountain bike features a high-tech steel soft tail frame for better strength, stability, and vibration absorption, reducing rider fatigue compared to aluminum frames. A full suspension system provides enhanced shock absorption for comfortable rides on rough terrain. The SHIMANO twist grip shifter offers precise control with a wide gear range. 4-inch fat tires provide strong grip and wear resistance for various terrains. Arrives 85% assembled; instructions and installation video included. | Anysun | | 26 inch Mountain Bike,Full-Suspension 21 Speeds Drivetrain with Disc-Brake MTB Bicycle, Fat tire Bike | Pink | Best Buy