Specifications Product:20 inch Bicycle Suspension Fork Travel: 50mm For Wheel Size: 20" Color: Black Model: Coil Spring Material: Aluminum alloy Steerer tube Diameter: 28.6mm (1-1/8" Threadless) Steerer tube length: 340mm Stanchion Size: 32mm Crown to Axle: 335mm Weight: about 2.44kg(±50g) Support 3.5" Maximum cover tyre Suitable for various types of 20" bicycles, such as mountain bikes, folding bikes, etc. Package included: 1PC* Fork