10T Folding Bike Chain Guide, Rear Derailleur Chain Tensioner, Aluminum Alloy 10 Teeth - Durable Lightweight Design, Prevents Chain Falling, Fits 3sixty and Variable Speed Foldin

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 excellent wear resistance and long-lasting performance for folding bikes.
• 【Precise Fitment】: Designed with 10 teeth, compatible with 3sixty and various internal variable speed folding bikes including single speed, internal 3/5/8 speeds, and external 2 speeds systems.
• 【Enhanced Chain Stability】: Specifically made to replace original rear derailleur, effectively keeping the bike chain secure and preventing it from falling off during rides.
• 【Lightweight & Easy To Install】: Weighing only about 320g, this compact chain guide tensioner adds no extra burden to your bike, ensuring hassle-free installation and reliable use.
• 【Versatile Use】: Ideal for mountain bikes, road racing, fixed bicycles, and single speed bicycles requiring dependable chain tensioning and stability on diverse terrains.