Pair of Round Hole 320mm Aluminum and solid steel motorcycle shock absorbers Universal for Honda/Yamaha/Suzuki/, the diameter of the round hole at the bottom is 12mm, and the length between holes to hole is 320mm Absorb shock promptly in the clumpiest road to improve security and make you feel more comfortable. Best choice for replacement, style upgrading or bike modification. Installation type: Eye to Eye. Please check the size details and make sure it will fit your bike before purchase. Motorcycle shock absorber universal fit for most vehicles. Package included, One Pair Shock Absorber, 2 x Wrench, 2 x Bushing Total Length: 350mm (13.78″)Length of Eye to Eye Core: 320mm (12.6″) Air Reservoir: Adjustable Color: Many colors for your choiceMaterial: Solid Steel + Aluminum Alloy Installation Type: Eye to Eye Package includes: One Pair Shock Absorber 2 x Wrench 2 x Bushing Qualified mechanic fits or checks recommended after the installation of this product Installation Manual is incl