Park Tool BBT-49.3 Bottom Bracket Tool - 39mm

CNC milled precision!

A precision CNC machined aluminum tool for mounting and dismounting selected threaded 16-notch bottom brackets, including Shimano® XTR® BB93, Dura-Ace® BB9000 and Token® bottom brackets. Manufactured by Park Tool, anodized for easy identification and features a 3/8" ratchet drive that is compatible with a torque wrench.

The BBT-49.3 features integrated threads for complete compatibility with the Park Tool BBT-RS Bottom Bracket Tool Retaining System. The BBT-RS uses an adjustable spring-based tensioning system to apply consistent, adjustable pressure to the tool, ensuring complete retention on the tool mount and preventing slippage.

Details of the Park Tool BBT-49.3 Bottom Bracket Tool

Fits 16-notch bottom bracket threaded fittings with a large diameter (outside the notches) of 39-40mm and a small diameter (inside the notches) of 37.6mm, including:

• Shimano® XTR® BB93
• Shimano® Dura-Ace® BB9000
• Token®

Also fits lockrings on Shimano® STEPS e-bike systems with square spindle, including:

• E6000
• E6002
• E6050

Included in delivery:

• 1x Park Tool BBT-49.3 bottom bracket tool