Amazon.com : Acekit Bicycle Bearing Bottom Bracket Removal Tool Compatible with Shimano XTR BB93 and Dura Ace BB9000 BB91000 Bottom Brackets and Other Bearing Bottom Bracket with 39MM Outside Diameter 16 Notches :
Super B Tb-bb10 Bb Wrench Bottom Crank Tool Engages 16 Notches Of Bottom Bracket Cups For External Bearing Crank Set Bike Tool - Bicycle Repair Tools - AliExpress