Your bike is your freedom. Protect it with accuracy.
Threo Bicycle Wear Indicator accurately measures bicycle chain stretches and features a wear indicator that quickly identifies when it needs replacing. Made from durable materials to suit road and mountain bikes, our compact tool is a must-have for cycling enthusiasts of all levels.
Accurate measurement
Threo indicator accurately measures the stretch of your chain, allowing you to determine when it needs replacing.


Durability
Made from high-quality and durable materials, our compact tool is built to last for road and mountain bikes.
Optimum performance
Maintain your bike in its best condition, preventing the need for expensive repairs. Achieve the best ride performance effortlessly.

More reasons to love our Threo chain indicator
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Alice
This chain checker is a game changer. It’s simple to use and has helped me maintain my bike’s performance. Having it in my toolkit makes checking for wear straightforward and quick.
John
I’ve been riding bikes for years, and this tool has made a noticeable difference in keeping my gears running smoothly. The accuracy is top-notch, and it’s easy to read.
Emma
As a biking enthusiast, this wear indicator is exactly what I needed. It’s saved me from unexpected chain issues by letting me check wear before it’s too late. Highly satisfied!