Dilwe Rear Gear Mech with Screw, 4 Size Aluminium Alloy Bike Tail Hook Rear Gear Hanger Fits to Most Types of Bikes(7#)

Rear Gear Mech with ScrewAluminium alloy material, and longer use, which is fits to most types of bikes?, can be replaced, reduce the maintenance cost of frame, practical. Good texture, smooth practical, with screw, easy to install and remove, well protecting your bike from being damaged in case of falling down.Bicycle and spare parts Standard Weight Color Length Width 1# 22g silver 6m 4cm 4# 17g black or silver 5.3cm 3.7cm 7# 19g silver 5.7cm 4.3cm 8# 19g silver 5.7cm 3.5cm.Riding It has the ultimate strength, brilliant toughness, excellent corrosion resistance, stable performance, great workmanship, great replacemant accessory for the broken or old one. There are specific paramenter in specifications, please confirm whether the fitment in the picture is the same as your old one before ordering.