PRODUCTS DISPLAY --> PRODUCTS DESCRIPTION --> MTB Bike Bicycle CNC REAR DERAILLEUR GEAR MECH HANGER For TREK #W524188 Boone Features: *Aluminium Alloy Bicycle Bike Derailleur Hanger Hook Rear Gear Accessories *High quality material, sturdy and durable *Convenient and easy installation *picture shows front & back, only 1 item supplied *These derailleur hangouts are specific to each bike - please check compatibility. *Bike Bicycle REAR DERAILLEUR GEAR MECH HANGER/FRAME BRACKET Tail Hook For TREK *Derailleur Gear Hanger For TREK #W524188 Boone Domane Emonda Madone List of compatible TREK bikes: Boone (standard mount derailleur) - - Domane ALR Disc (standard mount derailleur) - - Domane SL Disc Thru Axle (standard mount derailleur) - 2017- Domane SLR Disc (standard mount derailleur) - 2017- Emonda ALR Disc (standard mount derailleur) - Emonda SL Disc (standard mount derailleur) - - Emonda SLR Disc (standard mount derailleur) - - Madone SL Disc (standard mount derailleur) - Madone SLR Disc (standard mount derailleur) - Specifications: *Product Name: Bicycle Tail Hook *Material: Aluminum Alloy *Process:CNC *Color: Black (As Picture Show) Package Includes: 1 x Bicycle Tail Hook 2 x screw Note: 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data. DETAIL DISPLAY --> SHIPPING --> FEEDBACK -->