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DIY chain tensioner - for certain bike frames there is no wiggle room for chain length and the chain is inevitably too short… | Bike frame, Bicycle diy, Bike design
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Bike Chain Tensioner Bicycle Single Speed, Bike Single Speed Tensioner with 11T Derailleur for Mini Bike Folding Bicycle Accessories Black
![Amazon.com: sthus Black Spring Loaded Chain Tensioner For 49cc 66cc 80cc Engine Motorized Bike 2 Stroke Engine : Automotive Amazon.com: sthus Black Spring Loaded Chain Tensioner For 49cc 66cc 80cc Engine Motorized Bike 2 Stroke Engine : Automotive](https://m.media-amazon.com/images/I/8183jc5EeSL._AC_UF894,1000_QL80_.jpg)
Amazon.com: sthus Black Spring Loaded Chain Tensioner For 49cc 66cc 80cc Engine Motorized Bike 2 Stroke Engine : Automotive
![Bike Chain Tensioner, Single Speed Chain Tensioner, Bolt Set Frame Mount Chain Tightener for BMX Conversion Road Bike Folding Bike Red - Walmart.com Bike Chain Tensioner, Single Speed Chain Tensioner, Bolt Set Frame Mount Chain Tightener for BMX Conversion Road Bike Folding Bike Red - Walmart.com](https://i5.walmartimages.com/asr/de76a4bc-67d7-481e-99f7-4fd49b20794e.61cb8e5a79654652187c650f8819d161.jpeg?odnHeight=768&odnWidth=768&odnBg=FFFFFF)