1pcs Bike Alloy Rear Derailleur Hanger Racing Cycling -Mountain Road Bicycle Frame Gear Tail Hook Parts MTB Accessories Parts Details: * new and high quality *Used on bikes where the derailleur is held in place by the wheel nuts. *The rear hook is made of aluminum alloy, allowing a certain deformation to protect the transmission from damage. *Color: Silver(As Pictures Show) *Material:Aluminum alloy *Dimension:6.5 cm x 4.5 cm x 0.7 cm (Approx.) Warm tips: *The rear derailleur is attached to the end of the hook when we must right now. We must distinguish between positive and negative. *If your tail hook fracture often change, please check your rear derailleur gear and whether there is a problem. Package Contents: 1*Bike Rear Derailleur Hanger Note: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. _x000D_ _x000D_