Description: - This professinal dummy hub chain holder allows you to remove the rear wheel off the bike easily for cleaning, transporting, lubing or storing - Made of qualified nylon and stainless high strength, lightweight and durable - Used to keep the chain tension, away from the frame and from tangled - Deeper slot keeps chain from dropping - Works for quick release dropout and 12mm thru axleSpecification: - Size: 7x6.5CM / 2.76x2.56"Package Includes:1 Piece Chain HolderNote:Please allow slightly difference due to manual measurement. Color may be slightly different since different monitor. Thanks!