Features: 1. Stable Riding: Replacing the rear shock absorbers can significantly improve vehicle performance, providing better handling, improved stability, and a smoother ride experience. 2. High Durability: The rear shock absorber features a high-hardness aluminum alloy bracket and high-performance spring material, offering oxidation resistance, rust resistance, and wear resistance. 3. Adjustable Damping: Designed with an adjustable damping knob, allowing users to adjust the spring tension by rotating the knob. 4. Universal Compatibility: With a 170mm hole distance, these rear shock absorbers offer universal fitment for most electric bikes, motorcycles, ATVs, scooters, dirt bikes, and pit bikes. 5. Direct Replacement: These rear shock absorbers are designed for replacing, refurbishing, upgrading, or modifying original vehicle shock absorbers. Specification: Item Type: Motorcycle Shock Absorber Material: Aluminum Alloy Bracket + High Performance Spring Characteristic: Adjustable Damping Overall Length: Approx. 190mm/7.48in Mounting Hole Distance: Approx. 170mm/6.69in Inner Diameter of Hole: Approx. 8mm/0.31in Mounting Hole Thickness: Approx. 25mm/0.98in Spring Diameter: Approx. 7mm/0.28in Application: Replacement, refurbishment, upgrade, or modification of original vehicle shock absorbers Compatible With: Vehicles with 170mm hole spacing; universal installation fits most electric bikes, motorcycles, ATVs, scooters, dirt bikes, and pit bikes Package List: 2 x Motorcycle Shock Absorber