Progressive Suspension 444-4021B 444 Series 13.5in. Shocks - Black
descriptionFeatures the all new Frequency Sensing Technology (FST) which allows the shocks to sense the frequency of a bump and automatically adjust damping for superior ride quality. Deflective disc valving. Adjust spring pre-load by hand, no special tool needed. Includes a progressive rate spring and is high-pressure gas charged for consistent performance. Standard or heavy duty spring rate with a black or chrome finish. Sold in pairs. Made In USA. fitmentHarley Davidson: FLHR Road King 2006-2018 (Heavy Duty:Heavy Duty Applications are recommended for bikes that are operated at or near the manufacturerÆs maximum load rating over 50% of the time.) FLHRC Road King Classic 2007-2013 (Heavy Duty:Heavy Duty Applications are recommended for bikes that are operated at or near the manufacturerÆs maximum load rating over 50% of the time.) FLHRCI Road King Classic 2006 (Heavy Duty:Heavy Duty Applications are recommended for bikes that are operated at or near the manufacturerÆs maximum load rat