This video demonstrates how to adjust bottom bracket preload on systems that use preload rings, including Shimano XTR, SRAM DUB, SRAM NX, Race Face Cinch, Easton Cinch, Hope Evo, FSA Afterburner, Cane Creek eeWings, and any other two-piece crank system that uses a similar system.

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You can find all our crank videos in our playlist “Cranks & Pedals” ︎ https://www.youtube.com/playlist?listPLGCTGpvdT04SdAP5vThZlOInVsJ891lm4

Tools and materials used:
• AWS-3 3-way hex wrench – https://www.parktool.com/product/3-way-hex-wrench-aws-3

For text-based instructions on this process, see: https://www.parktool.com/blog/repair-help/bottom-bracket-adjustment-using-preload-ring

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Fix it:
Did you know that Park Tool is the best source of information for bicycle repair education?
• Visit our YouTube channel: https://www.youtube.com/parktool
• Visit the Repair Help section of Parktool.com: https://www.parktool.com/repairhelp
• Check out the Big Blue Book of Bicycle Repair: https://www.parktool.com/product/big-blue-book-of-bicycle-repair-4th-edition-bbb-4

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 cyclists of all skill levels. Here you'll find comprehensive repair tutorials for a variety of components and processes, as well as troubleshooting guides, tips and tricks, and information on the latest Park Tool products.

Further help for repairing cranks and pedals:
• Crank removal and installation – Two-piece compression slots (Hollowtech II, FSA) ︎ https://youtu.be/QqBtB8Kyl2U
• Crankshaft removal and installation – self-removing ︎ https://youtu.be/mxAj-zbynPI

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