Its high strength rebound motion of the shock release you in harsh driving conditions. Our products are made by high- qualified materials with japaneses technology and the advanced computer numerical control processing. Please check the size details and make sure it will fit your bike before purchase. The is strictly monitored by standard to make sure the excellent performance and the good condition in the long- term use. It is good and replacement for some Gokart Quad and ATV. Product name: Motorcycle shock absorbe Product Type: Replacement 435mm(17.13″) total length 420mm(16.54″) e96ye to eye center Material Type: aluminium Item Type: Falling Protection Item Weight: 4kg Total length: 435mm Eye to eye center: 420mm Eye Diameter: 12mm Feature: Protection Package included: 2pcs Shock Absorber 2pcs 10mm copper rings 1pcs wrench NOTE: Hard shock absorption is almost no shock absorption, and adjusting to soft shock absorption is what we call the shock absorption, there will be no problem, and you will feel very comfortable. we will do our best to help you solve it Please check the size details and make sure it will fit your bike before purchase.