Specifications: 20″*4.0″ snowmobile front fork, disc brake, support hydraulic disc brake, QR, open 135MM, Travel 100mm Steerer diameter: 28.6mm, 1-1/8″; Lockout Way: Shoulder control Steerer length: Aluminum alloy 223mm; Stanchion: Aluminum alloy 32mm Material: Magnesium Alloy+Alu minum alloy Weight: 1800g Color:Black 20″*4.0″ Snowmobile/ATV/XC Shock Absorption Hydrocarbon Fork Front Fork Magnesium Alloy 135MM QR : Disc brake, support hydraulic disc brake, QR Travel 100mm Exposed stroke 125mm, Travel 100mm Material: Magnesium Alloy+Aluminum alloy Steerer diameter: 28.6mm, 1-1/8″ Lockout Way: Shoulder control Steerer length: Aluminum alloy 223mm Stanchion: Aluminum alloy 32mm Weight: 1800g Package 1PC Mountain Bike Front Fork Note: If you have any questions, Please feel free to contact us, We will solve it in 24 hours.