10T Folding Bike Chain Guide Tensioner, Bicycle Rear Derailleur Chain Tensioner for 3sixty, Aluminum Alloy and POM Steel Material, Lightweight and Durable Chain Pulley for

Item Type: Bike Chain TensionerMaterial: Aluminum alloy+POMNumber of Teeth: 10TFitment: Fit for 3sixty and other internal variable speed folding bike (single speed, internal 3 speeds, external 2 speeds, internal 5 speeds and internal 8 speeds)Application: For Brompton special rear derailleur can replace for Brompton original rear derailleur as a whole, and help the chain to prevent the chain from falling off more effectivelyWeight: Approx. 320g / 11.3ozPackage List：1 x Bike Chain Tensioner2 x Wrench

• WIDE COMPATIBILITY: This 10T folding bike chain guide tensioner is designed for 3sixty and other internal variable speed folding bikes, including single speed, internal 3 speeds, external 2 speeds, internal 5 speeds, and internal 8 speeds. It ensures smooth chain operation across various bike types.
• EASY INSTALLATION: The bicycle chain tensioner is simple to use and does not add extra burden to your bike. With included wrenches, you can quickly install it without professional tools, making it perfect for DIY bike maintenance.
• DURABLE CONSTRUCTION: Made of high-quality aluminum alloy and POM steel material, this rear derailleur chain tensioner is lightweight yet extremely wear-resistant, ensuring long-lasting performance even under heavy use.
• ENHANCED CHAIN STABILITY: Specifically designed for Brompton special rear derailleurs, this chain tensioner effectively prevents the chain from falling off, providing a safer and more reliable riding experience.
• VERSATILE APPLICATION: Whether you're using a mountain bike, road racing bike, or fixed bicycle, this folding bike chain guide tensioner offers excellent chain tensioning performance, making it ideal for various cycling environments and conditions.