Gravity FSX 1.0 Dual Full Suspension Mountain Bike Shimano Suntour (Yellow, 15in) Disc Brakes Front and Rear, Strong and Durable Aluminum Frames Easy to Use Shimano Shifters Adjustable Suspension - Front and Rear! Strong and Light Double Wall Rims, Quick Release Wheels - Front and Rear No Sellers can ship fully assembled bikes. Assembly Required