Feature 1Rugged Construction: Made with high hardness steel alloy brackets and high performance spring steel, this adjustable shock absorber has a wearproof surface, capable of withstanding harsh outdoor and rainy environments. 2Enhanced Performance: Designed as a replacement for factory shock absorbers, this adjustable shock absorber provides fast damping on the roughest roads, significantly improving both safety and comfort during your drives. 3Adjustable Damping: With adjustable damping capabilities, you can modify the spring's elasticity to accommodate various weights and tackle bumpy road conditions effectively. 4Wide Compatibility: With a 305mm mounting hole centre distance, the shock damper fits most motorcycle atv quad dirt bike go kart scooter, ensuring compatibility. 5Easy Installation: This adjustable shock absorber is user friendly and can be easily installed, allowing you to upgrade your vehicle's suspension system with minimal effort.Item Type: Shock AbsorberMaterial: Steel alloy + spring steelsTotal Length: Approx. 335mm / 13.19inMounting Hole Center Distance: Approx. 305mm / 12inMounting Hole Inner Diameter: Approx. 10mm / 0.39inMounting Hole Thickness: Approx. 20mm / 0.79inSpring Diameter: Approx. 8mm / 0.31inApplication: Replacement, upgrade, modification, decoration for original shock absorbersFitment: Universal for 305mm mounting hole distance, for most Motorcycle ATV Quad Dirt Bike Go Kart Scooter .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 x 305mm Shock AbsorberNotePlease check that your hole center distance is 305mm before ordering.