Park Tool BBT- 49.3 Bottom Bracket Tool

A precision CNC-machined aluminium tool for the installation and removal of select threaded bottom brackets with 16-notch tool fittings, including Shimano® XTR® BB93, Dura-Ace® BB9000, and Token® bottom brackets

Features

• Manufactured in-house by Park Tool, anodized for easy identification and featuring a ratchet/torque wrench-compatible 3/8" drive
• The BBT-49.3 features integrated threads for full compatibility with the Park Tool BBT-RS Bottom Bracket Tool Retaining System (sold separately)
• Fits 16-notch threaded bottom bracket tool fittings with a major diameter (outside of notches) of 39-40mm and a minor diameter (inside of notches) of 37.6mm including Shimano BB93, Dura-ace BB9000 and Token
• Also fits chainring lockrings on Shimano® STEPS square spindle e-bike systems including E6000, E6002 and E6050