![Watch: The Derailleur Hanger Alignment Tool is The Most Important Bike Tool You Don't Have - Singletracks Mountain Bike News Watch: The Derailleur Hanger Alignment Tool is The Most Important Bike Tool You Don't Have - Singletracks Mountain Bike News](https://images.singletracks.com/blog/wp-content/uploads/2018/03/Gear-hanger-alignment.png)
Watch: The Derailleur Hanger Alignment Tool is The Most Important Bike Tool You Don't Have - Singletracks Mountain Bike News
How to fix a derailleur hanger with or without alignment tool | Another bit of essential lockdown maintenance 🙌 A derailleur hanger (or mech hanger) is not a part most people are
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