Running a single-speed or fixed-gear bike and tired of your chain getting loose, slapping around, or even dropping off? This little aluminum tensioner is a simple, elegant solution.
Made from high-quality, lightweight aluminum alloy, it's fully CNC machined for precision and strength. It's corrosion-resistant and built to handle mud, water, and tough riding conditions. The black, red, or silver finish (choose your style) looks clean on any bike.
How it works is clever: It has a spring-loaded floating pulley that automatically takes up slack in your chain. As the chain stretches slightly over time (and they all do), this tensioner compensates, keeping the perfect amount of tension. This means a smoother, quieter ride with less wear on your chain and rear sprocket.
It's super easy to install on your bike's frame or dropout. It's perfect for single-speed mountain bikes, urban commuters, or folding bikes where maintaining chain tension can be tricky. It works with various guide wheels and is ideal for heavy-load situations where a tight chain is critical. Stop messing with your rear wheel position to adjust tension – install this once and enjoy a consistently smooth pedal stroke.
Free 30-day returns 
Free 30-day returns
