Motorcycle shock absorber universal fit for most vehicles, like Honda/Yamaha/Suzuki/Kawasaki, etc. The diameter of the round hole at the bottom is 12mm. Fit bikes with shock absorbers of 340mm eye to eye distance. Shock strength adjustable. Best choice for replacement, style upgrading or bike modification. Please check the size details and make sure it will fit your bike before purchase. The coil-over springs and air cylinder are helpful to reduce the shock. Delivered in 7 work days. Package included: One Pair Shock Absorber, 2 X Wrench, 2 X 12mm Tubes[10mm or 14mm tube bushes ,Clevis Ends(U-Types or Round Eyes) are also available in our store.]