In order to avoid inconvenience to you, please check the size before ordering.Length (eye to eye): 340mm/13.5″.The diameter of the round hole at the bottom is 12mm??Give away 2X10mm tube bushes??. Motorcycle shock absorber universal fit for most Dirt Bikes Go-kart Moped Quad, like Honda/Yamaha/Suzuki/, etc. Material: Made of high quality Aluminium & Solid Steel, which is durable and high ability of suspension. High-performance air shock absorber: The suspension provides smoother driving and better overall damping management, improving driving comfort, motorcycle handling and driving safety Package included: One Pair Shock Absorber, 2pcs Wrench ,2pcs Tubes 340mm 13.5?? Motorcycle Rear Air Shock Absorbers Description: Product name: Motorcycle Shock Absorber Material: Aluminium & Solid Steel Color: Black Gold Length (eye to eye): 340mm/13.5″ Hole Internal Diameter: 12mm Working Stroke: 68mm Max Load: <=300 kgs End Type: U-type/Straight fork/Clevis End Feature: Pressure can be adjusted by