Complete damping system utilizes speed-sensitive technology. Helps maintain control and reduce fatigue Ultra precision machine cut for super light weight construction,precision and quality. Made of durable aluminum for extreme strength. Easy Installation without any modification required. Color:280mm Description: Motorcycle Damper Assy Adopting Japanese Standard Oil Seal Technology,experience a comfortable and confidence-inspiring ride ?Cno matter the pavement conditions Large pistons and low viscosity-performance oil allow these shocks to react quickly to impacts and keep the tires tracthe road surface The Eyes Of Shock Has Tensile Strength more than 2000 Kgf. The Damper And Spring designes For Long Durablility (More Than 1 Million Stoke) Specification: Condition:TrichTu Mount 100%Brand New Material:Aluminum Alloy Position On Bike:Rear Eye to Eye:320mm(12.59 Inch)/280mm(11.02 Inch) Eye Diameter:10mm Spring Thickness:7mm Eye thickness :21mmSpring Width:64mm Total Overall