Extend the life of the more expensive parts of your bike and learn when it's time to replace your chain. This video walks through several methods for measuring chain wear, and it includes a handy chain wear chart.

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See all our chain videos in our chain repair help playlist ▶︎    • Repair Help: Chains  

Video contents:
00:48 Tools Needed
01:05 Method 1: Lift off Chainring
01:27 Method 2: Measure w/ Ruler
01:58 Method 3: Use CC-3.2
03:13 Method 4: Use CC-2

➤ Tools & materials used:
• CC-3.2 Chain Wear Indicator - http://www.parktool.com/product/chain...
• CC-2 Chain Checker - http://www.parktool.com/product/chain...
• Repair Stand - http://www.parktool.com/category/repa...
• SBC-1 Spoke, Bearing & Cotter Gauge -
http://www.parktool.com/product/spoke...

For a text-based walk-through of this process: http://www.parktool.com/blog/repair-h...

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➤ 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.

➤ More Chain Repair Help:
• The Park Tool Guide to Chains ▶︎    • The Park Tool Guide To Chains  
• How to Clean and Lube a Bicycle Chain with a Park Tool Chain Cleaner ▶︎    • How To Clean and Lube a Bicycle Chain...  
• How to Fix a Broken Bicycle Chain ▶︎    • How to Fix a Broken Bicycle Chain  
• How to Replace a Chain on a Bicycle - Sizing & Installation ▶︎    • How to Replace a Chain on a Bike - Si...  
• How to Replace a Chain on a Single Speed Bike - Sizing, Installation & Tensioning ▶︎    • How to Replace a Chain on a Single Sp...  
• How to Size a Bicycle Chain ▶︎    • How to Size a Bicycle Chain  
• How to Size a Campagnolo Bicycle Chain ▶︎    • How to Size a Campagnolo Bicycle Chain