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. Click here to subscribe - https://bit.ly/37tescF 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 Let's stay in touch! Instagram - https://www.instagram.com/love.mtb/ Twitter - https://twitter.com/mevnet My channel is not sponsored. All opinions are my own, 100% honest. Links are affiliate links. If you click a link and buy something, I receive a commission for the sale. It doesn't cost you anything extra and you are free to use the link or not as you choose. If you do use my links, I appreciate your support!