The 66 RCV fork featuresThe RV (Rebound Valve) and CV (Compression Valve) pumping elements, an evolution ofThe well-proven SSVF Open Bath system.The system controlsThe compression and rebound speed. When correctly adjusted,The fork is ableTo keepThe wheel in contact withThe ground in any riding condition, keeping you in control and onTrack. 180mm Compression Coil and air preload QR20 Axle 38mm Hard anodized aluminum stanchions Aluminum steerTube 8" PM D-Brake (MAX 230mm)