Possbay Motorcycle Shock Absorber Scooter Rear Suspension Air U-Type Adapter (340mm(13.39")) FULL MOTORCYCLE SHOCK KIT: 2 Pack 340mm(13.39") Solid Steel Rear Motorcycle Shocks with Air Pump, Spring Compressor and 4Pcs Adjustable Aluminum Round Hole Diameter(10mm 12mm 14mm), with replaceable U typle, so pls contact us to select your size. SHOCK PERFORMANCE: Maximum Compresion Possible is 68mm(Shocks approximately are 272mm). The weight rating per single shock approximately is 660 lbs. ADJUSTABLE ALUMINUM ROUND HOLE: We have 10mm 12mm 14mm round hole diameter to match your shock absorber, so pls contact us to select your size, Otherwise, we will send 12mm hole diameter shocks by default. 340mm Black Rear Motorcycle Shocks fits for Yamaha, Harley, Kawasaki, Street Bike, ATV, Scooter etc.(not 100% universal, so please check your shock face to face length and round hole diameter) Satisfaction Guarantee: Providing the highest quality to all of you, is our main priority and our number one goal, so you have any disappointment with rear motorcycle shocks, we guarantee to give your money back instantly, without any hassle. We believe that Possbay's motorbike shocks will bring your motorcycle a good experience.