Happyyami Adjustable Chain Tensioner for Lightweight Cycling Accessory Inner Gasket Nut for Easy Installation and Chain Design Portable Double

Happyyami Adjustable Chain Tensioner for Lightweight Cycling Accessory Inner Gasket Nut for Easy Installation and Chain Design Portable Double

• Keeping chain slack from falling and improve driving safety. Suitable for most foldable bike.
• Small size, lightweight, easy to carry. Saving the hassle of manually adjusting the chain.
• The Chain Tensioner adjuster has mini appearance, with durable material. Convenient to use, easy to handle.
• Bike chain adjuster tensioner fastener bolt for bike tool. sturdy and durable.
• Made of reliable material, it is durable and wear resistant for long-term use.