For 10 years, TREE Bicycle Co has taken initiative to re-invent the wheel, so to speak. Their products look at the everyday and re-engineer them to be better. In this booklet, TREE lays out the history of their sprockets. It’s a good read too, so take some time on this one.
![TREE Bicycle Co: A History of Sprockets](https://radavist-static-production.s3.amazonaws.com/uploads/2022/02/Radivist_AlphaWalk_Black_1000px.gif)
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