Rebuilding an ENTIRE Bike Drivetrain [Trek 820]
This 2015 trek 820 hardtail was my first mountain bike, and it needs some serious rebuilding! So let's restore the tired old derailleurs with fancy, new (entry-level) ones, and see if it can hit the trails like it used to.

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How To Upgrade To A 1X11 Or 1X12 Drivetrain! | The Ultimate Single Chainring Conversion Guide

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Buying a Mountain Bike? Stop Making These 10 Mistakes
![Can this $30 mountain bike be saved? [Restoration and Ride]](https://i.ytimg.com/vi/G4EWSUXHU9A/hqdefault.jpg?sqp=-oaymwEjCNACELwBSFryq4qpAxUIARUAAAAAGAElAADIQj0AgKJDeAE=&rs=AOn4CLAJcEDk-WshrM_vhxEIxfRjruKIBg)
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Can this $30 mountain bike be saved? [Restoration and Ride]

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Restoring a Rusted Out Mountain Bike

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How to tune your derailleur with basic tools (for beginners)

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Is the Trek 820 a Good Mountain bike?? What's the difference with the MARLIN 5!!??!?

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How To Change The Gears On Bicycle. Correct Shifting + SAVING POWER. SickBiker Tips.

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Should We All Be Using These $75 Brakes?

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Everything You Need To Know About 1x, 2x & 3x Cranksets

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How to PROPERLY shift gears on a bicycle?

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Everything I WISH I KNEW When I Started Mountain Biking

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Flipping a $300 Facebook Hardtail - Flip Bike

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Here's what it's REALLY like owning an E-Bike

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MTB vs 36" Wheel Bike | Are Bigger Wheels The Future Of Mountain Biking?

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Custom Bike Build From AliExpress! | Worth The Risk?

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What Type of Bottom Bracket do I Have?

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How To Fix Up An Old Bike | Sell It, Ride It, Gift it

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How to Convert A Hardtail Into a Singlespeed

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How to True a Wheel Part 1: How a Wheel Works

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