Features: Crafted from aluminum alloy with III grade hard anodization, this ball base mount ensures corrosion resistance and extreme durability. Features adjustable screw distance 78mm(3.07 ")-127mm(5 ") for motorcycle front fork stem installation for antislip stability and wear resistance. Ideal for motorcycle seeking to securely mount devices, action cameras, or smartphones via ball socket arms during off roading adventures or daily commutes. For motorcycle front fork stem placement, its symmetrical force dispersion structure protects mounted electronics from vibrations impacts during high speed rides. Includes two screws, support columns, and a hexagonal key for easy installation, combining aluminum construction with user friendly setups for easy equipment anchoring. Specifications: Component: aluminum alloy + TPU Size: Left and left arms: 85mm Attribute: Black Technical parameters: Applicable vehicle model installation distance 78MM-127MM Use scenario: Installation of the front fork lever of motorcycle Package Includes: 1pcs Motorcycle Front Fork Stem Ball Mount note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind befores you order. 2.Due to the differences between different monitors, the picture may not reflect the actual color. Thanks for your understandings.