PRODUCT SPECIFICATION: Adjustments Rebound / Lockout / Air Pressure Adjustable, Damper shaft Dark hard-anodized AL-7075 Ø 10 mm (0.39 inch) shaft. Dark hard-anodized AL-6061 shock body.Riding style XC /TRAIL, Available Size Eye to Eye x Travel 165 x 35 mm ( 6.50 x 1.38 inch) 190 x 50 mm ( 7.83 x 1.97 inch) 200 × 55 mm ( 7.87 × 2.17 inch) Weight: 0.4 KG(0.88 Ib) for 165 mm Lenght<br/>EXTRA BUSHING INCLUDES: Top Busing Size 8mm x 24mm Bottom Bushing Size 8mm x 24mm, Includes extra bushing and hardware 8mm x 50mm Length. We Have Included An Additional Set Of Accessories To Meet The Different Size Requirements Of Some Customers Please see 2nd Pictures <br/>FUNCTIONAL; Rebound Adjustment Knob +direction Rotation Increase Damper (Slow),- Direction Rotation, Decrease Damper (Fast). Compression Adjuster + Direction Rotation Lock-out,- Direction Rotation Open Up.main Air Chamber Supply Air Pressure According To Pressure Meter<br/>BAROMETRIC RECOMMENDATION; Weight 120 lbs - Main air chamber 90 Psi, Negative air chamber 50 Psi.Weight 140 lbs - Main air chamber 105 Psi, Negative air chamber 50 Psi.Weight 160 lbs - Main air chamber 120 Psi, Negative air chamber 55 Psi.Weight 180 lbs - Main air chamber 135 Psi, Negative air chamber 65 Psi.Weight 200 lbs - Main air chamber 150 Psi, Negative air chamber 70 Psi.Weight 220 lbs - Main air chamber 165 Psi, Negative air chamber 75 Psi.<br/>