1,Aluminum Alloy Material: Made of high-quality aluminum alloy material, this saddle bag stabilizer is sturdy and durable. 2,Fixed Bag: It can be fixed in the bow position by the metal tail frame, which can firmly fix the bag. 3,Avoid Saddle Bag Shaking: Avoid saddle bag shaking problems in cycling and bumpy roads. 4,Water Bottle Installed: Bottle cage installation holes are added on both sides of the tail rack to increase the function of carrying water utensils. 5,Installation is Simple: It can be installed in the rear tailstock in a few easy steps, simple and easy to operate. It can be fixed in the bow position by the metal tail frame, which can firmly fix the bag, avoid saddle bag shaking problems in cycling and bumpy roads. This saddle bag stabilizer is made of high-quality aluminum alloy material, which is sturdy and durable. Name: Bicycle Tail Bag Stabilizer Material:Aluminum alloy + stainless steel colour:Black Package Contents: 1 x Bicycle Saddle Bag Stabilizer Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.