Knock Knock, Loose Hub | Tech Tuesday

A loose hub can cause poor shifting and rotor rub. Watch Calvin and Truman run through a quick fix for this problem at a high school mountain bike race.

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➤ Tools & materials used:
• SCW-15 15MM Shop Cone Wrench - https://www.parktool.com/product/15mm...
• PAW-6 6 Inch Adjustable Wrench - https://www.parktool.com/product/adju...
• HCW-16.2 Chain Whip / Pedal Wrench - https://www.parktool.com/product/chai...
• FR-5.2H Cassette Lockring Tool With Handle - https://www.parktool.com/product/lock...

Hub illustration by Keithonearth via Wikimedia Commons: https://commons.wikimedia.org/wiki/Fi...
Licensed under CC BY 3.0: https://creativecommons.org/licenses/...

➤ 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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