Chain Tensioner Aluminum Alloy CNC Cycling Chain Tensioners DIY Modification Lightweight Wear-resistant for Single Speed Bicycle

High-concerned chemical : None Model Number : Bicycle Chain Adjuster Origin : Mainland China Bicycle Chain Adjuster : Chain Tensioner Bicycle Chain Fastener : Chain Adjuster Tensioner Bike Chain Tension Bolt Screw : Cycling Chain Tensioners Adjuster Bolt Screw : Chain Press Origin : Mainland China Main material : Aluminum alloy Product color : Black, Red, Gold, Silver (optional) Product size : About 36x20x12mm/1.41x0.78x0.47inch Net weight of product : About 10.3g