Feature: 1. Application: 260mm mounting hole center distance, 11.5mm spring diameter, universal for most 50cc 110cc 125cc 140cc 150cc 160cc PIT QUAD Dirt Bike Trail Bike Dirt Bike GO Kart Motorcycle, etc. 2. Function: Shock absorber provide a smoother ride and better overall damping management for improved ride comfort. 3. Adjustable Spring: The shock absorber with adjustable damping can be adjusted to best suit your strength for different road conditions. 4. Precise Design: High strength CNC aluminum alloy and high performance spring, waterproof, rust proof, precision and sturdy. 5. Exquisite Workmanship: The stable damping performance brings you excellent riding experience, exquisite craftsmanship and professional design. Specification: Item Type: Strut Spring Shock AbsorberMaterial: CNC Aluminum alloy, high performance springFeatures: With adjustable damping, you can adjust according to your load Distance Between Installation Holes: Approx: 260mm/10.23in Total Length of Shock Absorber: Approx: 293mm/11.53in Inner Diameter of Hole Core: Approx: 10mm/0.4in Spring Diameter: Approx: 11.5mm/0.45inApplications: For replacement, refurbishment, upgrade, modification and decoration of original car shock absorbers, etc. The shock absorbers provide a smoother ride and better overall damping management to improve ride comfortStandard 260mm/10.23in hole center distance, universal to most 50cc 110cc 125cc 140cc 150cc 160cc PIT QUAD Dirt Bike Trail Bike Dirt Bike GO Kart Motorcycle . Package List: 1 x Strut Spring Shock Absorber Note: Be sure to use the adjustment tool, otherwise it is easy to cause finger loss.