MTB Chain guide or not? It’s not a question of having only one chainring or that it is oval. It depends on the type of mountain bike you practice.
![](https://www.reveeu.com/wp-content/uploads/2020/12/MTBChainGuide.png)
MTB Chain guide or not? It’s not a question of having only one chainring or that it is oval. It depends on the type of mountain bike you practice.