Safety??It is durably built and precisely engineered for improved vehicle control, proper damping and consistent balance. And it is fully tested to ensure a proper fit and performance with safe, easy installation Notes?? To avoid you buying the wrong item, please check the description and compatibility chart carefully before your purchasing Complete Strut Assembly Set – Equipped With Strut, Coil, Spring & Mounts – Ready To Install Specsification??Complete Strut Assembly Equipped with Strut, Coil, Spring & Mounts -Ready to Install.Don’t need any special tools! Remove and replace the complete Assembly in one piece Struts And Shocks Complete Assembly Kits Are Designed To Return Your Vehicle Back To Original Ride Quality And Handling. Product Description Description: 350mm eye to eye Eye Diameter: (2) 10mm (2)12mm Spring thickness: 8mm Spring Width: 72mm Package included: one pair x Motorcycle Shock Absorber