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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John D.
This little chain checker is a game changer! I easily check my bike chain’s wear and replace it in time. Highly recommended!
Lucas M.
Super useful gadget! I’ve been using it for both my road and mountain bikes. Durability is on point. Love it for its accuracy!
Emily W.
Very handy tool! The build is solid, and it’s simple to use. I keep it in my bike kit. No more guesswork!