Park Tool BBT-59. 3 Bottom Bracket Tool Precision CNC-Machined If you want to replace your old, worn-out bottom bracket with a new one or you want to upgrade to something better, you'll need some tools to get the job done. The Park Tool BBT-59. 3 Bottom Bracket Tool is a precision CNC-machined aluminum tool for the installation and removal of select threaded bottom brackets with 16-notch tool fittings, including Shimano Ultegra and Deore XT MT800 bottom brackets. It features a ratchet/torque wrench-compatible 3/8" drive. It also features integrated threads for full compatibility with the Park Tool BBT-RS Bottom Bracket Tool Retaining System. Features Compatible with Shimano Ultegra BBR60 and Shimano Deore XT MT800 bottom brackets3/8" drive to fit ratchet/torque wrenches Precision CNC-machined aluminum that is manufactured in-house by Park Tool | Park Tool | Bbt-59. 3 Bottom Bracket Tool Bbt-59. 3, 16 Notch
