10T Folding Bike Chain Guide Tensioner, Aluminum Alloy and POM, Lightweight Replacement for 3sixty Internal Speed Bikes - Durable Construction, Easy Installation, Ideal 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

• [Durable Material]: Crafted from high quality aluminum alloy and POM steel, this bike chain tensioner offers wear resistance and long-lasting performance for reliable use.
• [Wide Compatibility]: Designed to fit 3sixty and other internal variable speed folding bikes including single speed, internal 3, 5, 8 speeds and external 2 speed models for versatile use.
• [Chain Security]: Effectively prevents the chain from falling off by replacing the special rear derailleur, ensuring smooth rides with enhanced chain stability.
• [Lightweight Design]: Weighing approximately 320g, this chain guide tensioner adds minimal weight, preserving the bike’s original handling and making installation simple.
• [Versatile Use]: Suitable for mountain bikes, road racing bikes, fixed gear, single speed, and folding bicycles, making it a great upgrade for various cycling styles.