20/26 Inch Suspension Fork Snow Beach Bike Fat Tire Bicycle Magnesium Alloy Shock Absorbing Air Fork 135mm Bicycle Forks Bike Accessories This snow beach bike fat tire bicycle fork is made of magnesium alloy for shock absorption. It's perfect for enhancing your biking experience on snow and beach terrains. Features: Versatile Use: Perfect for snow beach bike, fat tire bicycle, and other bikes. High-Quality Material: Made of magnesium alloy, it's durable and shock-absorbing. Easy Control: Comes with a manual lock switch that allows you to close or open the suspension function according to different road sections. Convenient Design: The inner tube has a scale mark for easy understanding of the fork air pressure situation during riding. Easy Installation: Universal installation design makes it easy to install on your bike. Specifications: Material: Magnesium Alloy Color: Black  Axle: 9*135mm Travel: 135mm Inner Tube: Black Model Size Model Type Weight Lock Type 26 Inch Shoulder Control Black 26x4.0cm / 10.24x1.57in Ordinary 2250g / 79.37oz Shoulder Control Lock 26 Inch Wire Control Black 26x4.0cm / 10.24x1.57in Ordinary 2300g / 81.13oz Wire Control Lock Damping 26 Inch Shoulder Control Black 26x4.0cm / 10.24x1.57in Damping 2300g / 81.13oz Shoulder Control Lock Damping 26 Inch Wire Control Black 26x4.0cm / 10.24x1.57in Damping 2300g / 81.13oz Wire Control Lock 20 Inch Shoulder Control 20x4.0cm / 7.87x1.57in 20 Inch Snow Fork 2100g / 74.08oz Shoulder Control Lock 20 Inch Wire Control 20x4.0cm / 7.87x1.57in 20 Inch Snow Fork 2180g / 76.9oz Wire Control Lock Package list:  1x  Snow Beach Bike Air Fork  Note: The vertical tube and fork shoulder can only be tightly riveted after being squeezed by gravity, and the appearance of squeeze marks is a normal phenomenon. The wire controller can adjust the shock absorption function at will during riding. The + sign is locked, and the - sign is open.