keyren Stable Tail Hook High Strength Bike Accessory Easy Install Bike Rear Hanger, Bicycle Tail Hook, Road Bike for Mountain Bike

Features: 1.Made of quality aluminium alloy material, high strength, good stability and durability. 2.Good tool to expand the flywheel speed change more smoothly, you will have better and smooth riding experience. 3.Easy to install, instead of long extension screws, make the expansion freewheel shifting smoother. 4.Suitable for installing of 12 x 142mm rear fork of bike frame. 5.Wonderful accessory for mountain bike. Spezifikations: Material: Aluminum Alloy Color: As picture shown Size: Approx. 5.7x3.2cm/2.2x1.3in Packing List: 1 x Bicycle Tail Hook