MTB Drivetrains 101: What’s the Big Deal About 2×10?
You have probably heard terms like 3×9, 2×10, or 1×9 thrown around in discussions about mountain bike gearing. In case you are not familiar with the jargon, here is a quick review. When someone says 3×9 (pronounced “three by nine”) they are referring to the setup of the chain rings and cassette on their bike. …
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