"Please care about the standard Mount Dropout dropout!Please make sure the hanger fits your bike well before place order ! ! !We strongly recommend you visually confirm your hanger choice with your existing hanger!Compatible with for the following bikes:Bicycle hanger for Pardus Spark Evo Discfor Storck AERFAST3 PARDUSthe standard Mount Dropout for Argon 18 Part number 80802Argon 18 rear derailleur hanger for Dark Matter, Krypton Pro/GF/CS, Gallium Disc, and Nitrogen Disc.Package Contents:2pc Bicycle gear hanger with Bolts(The blots are the gifts,we send them in radom colors and sizes. We donot accept any dispute only about the blots