Pegciuho Bicycle Rear Derailleur Hanger Extension, Bike Tail Hook Extension, Alignment Tool with Screw, Components Adapter Parts Lengthener Gear Converter, Black - 54078420150198504

• 【Easy to Install】You can change and install the bike tail hook extension simply, adjusting the tension and expanding the flywheel speed change more smoothly. 【Premium Material】Bicycle Rear Derailleur Hanger is made of aluminum alloy material, solid and firm, very , has fine workmanship, and can be used long time. 【Package Included】1x Hanger Extension Extension, and 1x Screw. With great performance on the rear derailleur extension, also can be an gift for your cycling friends. 【Good Accessories】Adding this product to the bicycle eral dial hook bikes converter, you can easily solve the troubles you encounter. Great accessory for cycling enthusiasts. 【Easy to Use】 Rear derailleur hanger extension fit for a wide range bikes cassette., Increased by 41mm, it can be used when the rear flywheel is changed to 36T, 40T, 42T, 44T, 46T, 50T, 52T, 56T.