Park Tool BBT-49.3 Bottom Bracket Tool — 16-Notch

Park Tool BBT-49.3 Bottom Bracket Tool — 16-Notch

The Park Tool BBT-49.3 is a precision CNC-machined aluminium tool for installing and removing selected threaded bottom brackets with 16-tooth tools, including Shimano® XTR® BB93, Dura-Ace® BB9000 and Token® bottom brackets. The product is made in-house at Park Tool, anodised for easy identification and has a 3/8" drive compatible with a ratchet or torque wrench.

The BBT-49.3 has integrated threads for full compatibility with the Park Tool BBT-RS system (sold separately). The BBT-RS uses an adjustable spring tension system that applies even, adjustable pressure to the tool, ensuring a firm hold and preventing slipping.

BBT-49.3 features

• Suitable for 16-tooth threaded tools with a mean diameter (outside the teeth) of 39–40 mm and an inner diameter (inside the teeth) of 37.6 mm, including:

Shimano® XTR® BB93

• Shimano® Dura-Ace® BB9000
• Shimano® Dura-Ace® BB-R9100
• Token®
• Also compatible with chainring lockrings on Shimano® STEPS e-bikes with a square spindle, models:

E6000

• E6002
• E6050
• A replacement for the Shimano TL-FC38 tool.

Warning: The tool is not intended for use with impact wrenches or other power tools.