INCLUDES: Derailleur Hanger Plate with Nut and Bolt MATERIAL: Steel INSTALLATION: Recommended to check rear dropout alignment before installation. If not Aligned. Derailleur Hangers will continue to break until Dropouts are aligned COMPATIBILTY: Fits Specific Bicycle Frames based on Brand, Model Name and Production Year ALWAYS: Check the photo of the hanger against your hanger. If it does not look correct, it will not fit. COMPATIBLE WITH Majority of Steel Frames. This is not a Universal Derailleur Hanger. This is for steel/aluminum frames that does not have a replaceable aluminum dropout Index Derailleur Hanger Plate with Nut and Bolt