BB Upgrade - Square Taper to Shimano Hollowtech II, SRAM GXP, DUB - Trek Marlin Upgrade

How-to #upgrade a square taper bottom bracket to #Shimano Hollowtech II for a 1x #drivetrain conversion. SRAM DUB or GXP use exactly the same procedure and tools for their English threaded bottom brackets.

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For parts and tools please consider using the links below, they help me fund the channel. And the crew at Worldwide Cyclery provide a discount for signing up to their newsletter. Thank you for the support!

Shimano XT BB-MT800 English Bottom Bracket - https://bit.ly/2qAi2Mx
Shimano Deore BB52B Hollowtech II English BB - https://bit.ly/2ZaZQx5
SRAM DUB Bottom Bracket English Threaded 68-73mm - https://bit.ly/2TVmcga
SRAM DUB PressFit Bottom Bracket - BB89.5/BB92 - https://bit.ly/3cbkcvs
Truvativ/SRAM Team GXP English Threaded BB for 68/73mm - https://bit.ly/2ZmPwBt

Park Tool CWP-7C Universal Crank Puller - https://bit.ly/2MJe956
Park Tool CCP-22C Crank Puller for Square Cranks - https://bit.ly/33UHOxM
Park Tool BBT-22 BB Tool for 20-Tooth ISIS Cups - https://bit.ly/2Zav4V7
Park Tool Polylube 1000 Grease -https://bit.ly/2qy34qo
Park BBT-9 BB Tool Shimano Hollowtech II - https://bit.ly/2uNKcqv
Park BBT-69.2 Bottom Bracket Tool, 44mm - https://bit.ly/2v4QIZ4

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