Significantly increased riding comfort and adjustability Alloyed steel main shock body with black finish Springs manufactured from Cr-Si alloyed steel (black) Black anodized CNC machined billet aluminium head Spring preload adjustment system allows fast and easy adjustment Nitrogen pressurized coaxial chamber with oil/gas aluminum piston Adjustable features include: Hydraulic spring preload (10 mm = 20 clicks) Hydraulic rebound