The new model of professional air pressure front fork, made of aluminum & 43; magnesium alloy, suitable for 27.5/29 inch bikes, with the option of shoulder control lock or wire control lock, suitable for XC/AM scenarios. Specifications: Material: Aluminum & 43; Magnesium Alloy Color: Black Black Tube/Black Gold Tube Inner Tube: 32mm Axle: 9x10cm/3.5x3.9in Structure: Air Pressure Shock Absorption Steering Tube Diameter: 28.6mm 1.1/8“ Straight Tube Size: 27.5/29 Inch Lock: Shoulder Control Lock/Wire Control Lock Stroke: 120mm (120mm is the exposed stroke, 100mm is the actual compression stroke) Disc Brake: A-pillar disc brake, suitable for 160 disc (180 and 203 discs can be used after using the converter) Applicable Scene: XC, AM Weight: Shoulder Control: 27.5 Inch/1800g, 29 Inch/1900g Wire Control: 27.5 Inch/1850g, 29 Inch/1950g Package list: 1x Professional Model Air Pressure Front Fork