Features: 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 Absorber_x000D_ Material: CNC Aluminum alloy, high performance spring_x000D_ Features: With adjustable damping, you can adjust according to your load_x000D_ Distance Between Installation Holes: Approx: 260mm/10.23in_x000D_ Total Length of Shock Absorber: Approx: 293mm/11.53in_x000D_ Inner Diameter of Hole Core: Approx: 10mm/0.4in_x000D_ Spring Diameter: Approx: 11.5mm/0.45in_x000D_ Applications: 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 comfort_x000D_ Standard 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 Note: Be sure to use the adjustment tool, otherwise it is easy to cause finger loss.