13.1" (333mm) Standard length; Heavy Duty springs; Black anodized; RAP (Remote Access Pre-load). Great replacement single shock. Manufactured with a high pressure nitrogen filled black hard anodized aluminum body, with a large 46mm bore and deflective disc damping. Comes with Regular threaded or RAP (Remote Adjustable Pre-load) located behind the left passenger peg, for easy accessible adjustments. Rebound damping is 5-position adjustable. Available in stock, over and undersize lengths to accommodate the various stock Softail model lengths.