Bicycle Parts Derailleur Hanger For Look 989 987 927 Carbon Alu 00007956 Mech Dropout Gravel Carbon Mountain Bike Frame 29Er Always check the photo of the hanger we recommend against your hanger. If it does not look exact it will not fit. Rear Dropout Alignment must be checked before installation with an alignment tool. If your rear dropout alignment is out of line, the new derailleur hanger will break under There are over 5000 different hangers that have been used through out the years. Many Derailleur hangers look similar but have slightly different changes and will not fit your bicycle PLEASE NOTE TO CONFIRM DERAILLEUR HANGER FIT: YOU MUST KNOW BICYCLE BRAND, BICYCLE MODEL AND YEAR OF PRODUCTION. If you are unsure of model year or which derailleur hanger will fit your model. Please contact us! Number of Fasteners: 1 Product Type: Rear derailleur hanger Aluminum Type: 6061 Cast Type: Cold Forged Finish: Red Includes Hardware: Yes Screw Bolt: M8 Chainring bolt Equivalent To: LOOK Known Fits: Look Look: 927 Alu Look: 927 Carbon Look: 987 Look: 989