Pair 340mm Universal Motorcycle Rear Air Shock Absorbers for all ATV Go Kart Quad Dirt Sport Bikes ??black&silver)

Pressure can be adjusted by springs or air (nitrogen); Operation of the coil-over springs and air cylinder is helpful to reduce the shock.
Universal fit for most 375mm Motorcycle Shock Absorber for Dirt bikes, Gokart, ATV, all Motorcycles and Quad.
A Pair of Round Hole 340mm Aluminum and Solid Steel Shock Absorber
Shock Absorber bottom/ends type: Round End
No instruction included, professional installation recommended. Product Description
Specification:
Color:black&silver
Dimension:Total Length: 400mm (15.75″)
Length of Eye to Eye Core: 375mm (14.75″)
Eye Diameter(with bushing): 12mm
Eye Diameter(with bushing removed): 16mm
Eye Thickness: 21mm
Eye Maximum Tensile Strength: 2,000 Kgf
Spring Thickness: 8mm
Spring Width: 60mm
Working Stroke: 68mm Spring Stiffness: 110 kg
Maximum load: 300 kg (660 lbs)
Air Reservoir: Adjustable
Factory Air Pressure: 0.4 Mpa
Maximum Air Pressure: 0.5 Mpa
A complete pair RFY air gas shocks absorbers
Easy to install,no Installation Instructions
Pressure can