BRAND NEW PART# 52-256 For Custom or Stock Motorcycles where a 120 link Chain is needed. Natural finish Non O-ring chain is 530 x 120 link and includes master link. If required, chains may be shortened to desired length. Improved wear resistance and strength. Average tensile strength 6,000 lb. *** Tech Note: If your Bike is in the fitment chart, then that means this chain will only work if your Late Model Harley has been converted to chain drive where a 120 link or less 530 chain can be used. *** Tech Note: Stock Frame Ironhead Sportsters from 1957-1985 use a 530 x 110 Stock Stock Frame Evo Sportsters from 1986-1991 use a 530 x 106 Stock Most Early Stock Frame FXR’s, FXST’s, FLHT’s use a 530 x 110 Stock