This video walks through the complete procedure of removal and installation of bottom brackets used in threaded shells, including three-piece cranks, threaded "thru-spindle" external bearing cups, and bottom brackets used in T47 shells.

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See all our bottom bracket videos in our Bottom Brackets playlist
▶︎    • Repair Help: Bottom Brackets  

Video contents:
00:00 Preliminary Info
01:36 Removal
03:56 Installation - Thread Preparation
05:19 Installation - Threaded Thru-Spindle
06:09 Installation - Cartridge-Style


➤ Related Text Articles:
• Bottom Bracket Standards and Terminology - https://www.parktool.com/blog/repair-...
• Bottom Bracket Tool Selection: Threaded and Thread-Together - https://www.parktool.com/blog/repair-...

➤ Tools & materials used:
• Appropriate bottom bracket tool - https://www.parktool.com/category/cra...
• SWR-8 3/8” Drive Ratchet Handle - https://www.parktool.com/product/3-8-...
• SWB-15 3/8" Drive Breaker Bar - https://www.parktool.com/product/3-8-...
• PPL-1 PolyLube 1000™ Lubricant - https://www.parktool.com/product/poly...
• ASC-1 Anti-Seize Compound - https://www.parktool.com/product/anti...
• TLR-1 Medium Strength Threadlocker - https://www.parktool.com/product/medi...
• TW-6.2 Ratcheting Click-Type Torque Wrench - https://www.parktool.com/product/ratc...

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

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➤ More Bottom Bracket Repair Help:
• What Type of Bottom Bracket Do I Have? ▶︎    • What Type of Bottom Bracket do I Have?  
• How to Remove and Install Bottom Brackets - Press Fit ▶︎    • How to Remove and Install Bottom Brac...  
• How to Remove and Install Bottom Brackets - Thread-Together ▶︎    • How to Remove and Install Bottom Brac...  
• How to Remove and Install Bottom Brackets - Cup & Cone ▶︎    • How to Remove and Install Bottom Brac...  
• Crank & Bearing Removal and Installation - Campagnolo® Ultra-Torque™ ▶︎    • Crank & Bearing Removal and Installat...  
• One Piece Crank & Bottom Bracket Removal and Installation ▶︎    • One Piece Crank & Bottom Bracket Remo...  

➤ 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: https://www.parktool.com/repairhelp
• Check out The Big Blue Book of Bicycle Repair: https://www.parktool.com/product/big-...

➤ 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.