Shop Talk: What is Chainline, and How Do I Measure It?

If you've ever looked into making changes to your drivetrain, you may have run into the term "chainline". How do you determine your chainline, and what do these numbers even mean? Calvin breaks it all down using examples, measurements and some simple math.

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See related episodes of Tech Tuesday on single-speed issues:
• Tech Tuesday #91: 1X Conversion: Pros & Cons ▶︎    • 1X Conversion: Pros & Cons - Tech Tue...  
• Tech Tuesday #114: Fixing 1X Chainring Noise ▶︎    • Fixing 1X Chainring Noise | Tech Tues...  

➤ Tools & materials used:
• PRS-3.2 Deluxe Single Arm Repair Stand - https://www.parktool.com/product/sing...
• DC-1 Digital Caliper - https://www.parktool.com/product/digi...

➤ Fix It:
Did you know that Park Tool is the #1 resource for bicycle repair education?
• Visit our YouTube Channel:    / parktool  
• Visit the Repair Help section of Parktool.com: http://www.parktool.com/blog/repair-h...
• Check out The Big Blue Book of Bicycle Repair: http://www.parktool.com/product/big-b...

➤ About Park Tool:
Since our founding in 1963, Park Tool has been the leading name in bicycle tools. Our YouTube channel is an extension of our mission to be the ultimate resource for mechanics and riders of all skill levels. Here you will find comprehensive repair help tutorials for a wide range of components and processes, as well as troubleshooting guides, tips and tricks, and information on the latest Park Tool products.

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