20 Inch Fat Tire Mountain Bike, Dual-Disc Brake, 7-Speed, Suitable for Beach and Snow

Steel frame high strength, reinforced more durable , comes 85% assembled 7-Speed shifter and derailleur ,make gear changes easy and smooth Fat tires provide better grip and traction on rough roads, keeping you safe and allowing you to drive smoothly and easily on sand, snow, gravel, rain, mud and sand for the ultimate adventure! Disc brakes on mountain bikes allow for more precise control and are more effective than rim brakes Good.