Specifications Overall Material: High-carbon Steel, Synthetic Leather, Metal, Sponge, Rubber Color: Black Frame Structure: Folding Bike Frame Type: Rigid Frame Front Fork Type: Oil Spring Fork Brake System: Double Disc Brakes Treatment Process: Paint Baking Mounting Type: Floor Standing Assembly Required: Yes Usage: Outdoor Number of Items: 1 Adjustable Seat Height: 80-95mm/3.1-3.7inch Chain Length: 108 Knots Gear Size: 24/34/42t Three-part Number of Speeds: 21 Speed Suitable Height: 1.6-1.9m/5.25-6.23ft Distance from the Handlebar to the Seat: 56cm/22inch Folded Size: 98*33*90cm/38.6*13*35.4inch Load Capacity: 150kg/330.69lbs Gross Weight: 20.6kg/45.42lbs Package Included 1* 26" Folding Mountain Bike 2* Lights 1* Seat 2* Pedals 1* English Installation Diagram.