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CyclingDeal Bike Single Speed Aluminum Chain Tensioner and Kit Packages for Road Bike and MTB Tensioner ONLY
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Is this little switch a chain tensioner? Not a novice, but when/why would I need that? I can't find any good information : r/bikewrench
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Amazon.com: Bike Chain Tensioner Single Speed Chain Adjuster Converter for MTB, Road Bike : Sports & Outdoors
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Amazon.com : Quintessentialz Chain Guide Mountain Bike Tensioner Double Stage Design for Chain Drops 1X 2X 3X Drives : Sports & Outdoors
![MUQZI MTB Bike Chain Guide Single Speed Chain Protector Tensioner Cycling Adjustable 31.8 34.9mm Adapter 1X System Stabilizer MUQZI MTB Bike Chain Guide Single Speed Chain Protector Tensioner Cycling Adjustable 31.8 34.9mm Adapter 1X System Stabilizer](https://ae01.alicdn.com/kf/Hc7023f78ca4643d39a3267b99cd8342cN/MUQZI-MTB-Bike-Chain-Guide-Single-Speed-Chain-Protector-Tensioner-Cycling-Adjustable-31-8-34-9mm.jpg)
MUQZI MTB Bike Chain Guide Single Speed Chain Protector Tensioner Cycling Adjustable 31.8 34.9mm Adapter 1X System Stabilizer
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ZTTO Chains Tensioner Bike Chain Tensioner Stabilizer Rear Derailleur Single Speed Adjuster Accessory for Folding Bike - Yahoo Shopping
![Amazon.com : Revere BMX High Performance Pair of 2 Chain Tensioner for Road and MTB Bikes | Lightweight Aluminum Alloy (Oil Slick) : Sports & Outdoors Amazon.com : Revere BMX High Performance Pair of 2 Chain Tensioner for Road and MTB Bikes | Lightweight Aluminum Alloy (Oil Slick) : Sports & Outdoors](https://m.media-amazon.com/images/I/81m2LI7WSdL._AC_UF1000,1000_QL80_.jpg)
Amazon.com : Revere BMX High Performance Pair of 2 Chain Tensioner for Road and MTB Bikes | Lightweight Aluminum Alloy (Oil Slick) : Sports & Outdoors
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Good-Life Bike Single-disc Chain Guide Protector Mountain Bicycle Aluminum Alloy Chain Tensioner MTB Accessories - Walmart.com
![Bicycle Single Speed Chain Tensioner MTB Folding Bike Pulley Jockey Wheel Derailleur Chain Checker Chain Guide Bicycle Single Speed Chain Tensioner MTB Folding Bike Pulley Jockey Wheel Derailleur Chain Checker Chain Guide](https://ae01.alicdn.com/kf/Sfb4bc3dce5b34b9cb9254d253f3783d5Q.jpg_640x640Q90.jpg_.webp)