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. Questions or comments Leave them below! See all our bottom bracket videos in our Bottom Brackets playlist ▶︎ https://www.youtube.com/playlistlist=PLGCTGpvdT04S-dkxjU7HJjboDnTJNmjp- 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-help/bottom-bracket-standards-and-terminology • Bottom Bracket Tool Selection: Threaded and Thread-Together - https://www.parktool.com/blog/repair-help/bottom-bracket-tool-selection-threaded-and-thread-together ➤ Tools & materials used: • Appropriate bottom bracket tool - https://www.parktool.com/category/crank-bottom-bracket • SWR-8 3/8” Drive Ratchet Handle - https://www.parktool.com/product/3-8-drive-ratchet-handle-swr-8 • SWB-15 3/8" Drive Breaker Bar - https://www.parktool.com/product/3-8-drive-breaker-bar-swb-15 • PPL-1 PolyLube 1000™ Lubricant - https://www.parktool.com/product/polylube-1000-lubricant-tube-ppl-1 • ASC-1 Anti-Seize Compound - https://www.parktool.com/product/anti-seize-compound-asc-1 • TLR-1 Medium Strength Threadlocker - https://www.parktool.com/product/medium-strength-threadlocker-tlr-1 • TW-6.2 Ratcheting Click-Type Torque Wrench - https://www.parktool.com/product/ratcheting-click-type-torque-wrench-tw-6-2 For a text-based walk-through of this process: https://www.parktool.com/blog/repair-help/bottom-bracket-removal-installation-threaded ➤ Subscribe: https://www.youtube.com/user/parktoolcompanysub_confirmation=1 ➤ Like: https://www.facebook.com/parktool ➤ Follow: https://www.instagram.com/parktoolblue ➤ More Bottom Bracket Repair Help: • What Type of Bo