Universal Motorcycle Rear Shock Length of Eye to Eye Core 280mm,Eye Diameter: 10mm. Wide fit for most dirt bike with this size,such as fit for Honda CRF50 XR70 SDG SSR 107 125 and other Replica Bikes Work Well As An Upgrade: Sits up higher and rides so much better, The Shock Absorber soak up small bumps well and allow much better control over larger ones, you no longer need to be afraid to drive over bumps, holes and ruts. Makes Your Way Safer: Good Replacement For your original rear shock, does not bottom out with an driver on it, and makes it way safer Changed The Entire Feel of Bike: The ride in rear is much smoother and you have better control. Really good ride right off the bat with nothing adjusted, and still fine tuning them Adjustable Preload – The shock absorber preload have a long adjustable stroke, you can adjust the preload to fit different weight dirt bike Specification: Condition: 100% Aftermarket brand newSpring Color:Black &RedLength of Eye to Eye Core: 280 mmEye Dia