1. Function: The hydraulic front shock absorber can reduce electric bicycle body shaking, vibration and road shock for better vehicle handling. 2. Stable driving: The improved design ensures smooth driving and reduces noise, ensuring an optimized driving experience for you. 3. Anti-rust: The shock absorber adopts spray technology to effectively improve the anti-rust ability and ensure its long-term use in harsh environments. 4. Performance: Premium aluminum alloy and high-performance dual hydraulic design springs ensure the overall stability and durability of the shock absorber. 5. Practical: The shock absorber has a large load capacity to effectively meet your using needs, reliable and professional. Specification: Item Type: Hydraulic Front Shock Absorber Material: Aluminum Alloy Shock Absorption Length: Approx.: 220mm/8.66in Thread Size: M12 Threaded Hole Diameter: Approx.: 6mm/0.23 inch Fixed Hole Distance: Approx.: 51mm/2inch Installation Position: Front Left and Front Right Application: Replace damaged and old original parts, improve the shock absorption performance applied to your car, effectively improve general driving comfort. Suitable for Electric Scooter Electric Bike Package List: 2x Hydraulic Front Shock Absorber Note: 1. Please allow slight error due to manual measurement. Thank you for understanding. 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.