Condition: 100% brand newItem type:Bike Shock AbsorberModel:AO-38RCMaterial: aluminium alloyColor: As picture shownClassification: Manual controlOptional length: Approx. 165mm/6.5in, 190mm/7.5in, 200mm/7.9inHole diameter: Approx. 8mm/0.3in (Measured after adding bushing)Hole width: Approx. 24mm/0.9inAdjustment method: rebound/locking/adjustable air pressureShock absorber shaft: dark hard anodized aluminum AL-7075 diameter 10 mm (0.39 inch) shaftDark color anodized aluminum shock absorber .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; } 1Main air pressure adjustment, it is recommended to inflate with pressure gauge. 2Lock switch (rotate in + direction, lock) (rotate in-direction, open). 3Damping adjustment button, rotating on the right, the damping increases slowly, rotating on the left, the damping increases quickly. 4Shock absorber, light weight, good quality, superior function, suitable for all kinds of harsh roads, the highest air pressure can be up to 270psi. 53 different sizes for you to choose, meet your different needs.