?hlins twin-tube shock technology Features needle profiles for compression and rebound adjusters Updated design results in improved oil flow guidance and volume control for more precise, consistent damping and better fine-tuning Available range of preload and compression adjustment is wider Rebound and compression are completely separated within the shock with no risk of cavitation Completely separate compression and rebound settings 36 mm shock primary piston redesigned for improved performance for better traction and feel Industry standard of minimized shock-to-shock variance Improved chassis feedback for superior rider feel and enhanced control. SHOCK OHLINS BM 568 BMW