ark Edition. Rear mono shock absorber that is nitrogen gas pressurized and equipped with a floating oil/gas separator. Offers 7 click rebound adjustment and 12mm in 24 clicks adjustable hydraulic spring preload; with remote control knob. 8mm adjustable length to increase or reduce ride height. Low friction coated 14mm diameter steel shaft. CNC machined ergal alloy heads with a black anodized finish. - Increased handling; comfort and adjustability - Linear rate Cr-Si alloyed steel spring - 7 clicks rebound adjustment - 24 clicks (12mm) hydraulic spring preload - 8mm manual length/ride height adjustment - oil/gas separator floating piston - 14mm low friction coated steel shaft - High strength steel body - Dark Edition - CNC machined billet aluminum 7075 ergal black anodized heads - Complete with instruction manual and assembly instructions - With approval Note: Check your local MCS dealer or the MCS sales department for exact type of approval and validity on bike model and years on the test report.