Park Tool BBT-4 bottom bracket tool

The BBT-4 is designed for the installation and removal of 6-notch SC-S and AC-H cartridge sleeves for sealed cartridge bottom brackets. These bottom brackets have six notches on the outside of each cup. The handle of the BBT-4 is vinyl-coated for comfort. The larger diameter of the tool is nominally 44 mm, the smaller diameter is 38 mm.

FEATURES:

Special key for cartridge bearings with star-shaped housing

The BBT-4 is compatible with the following sealed cartridge bottom holders:

• Campagnolo®
• Veloce™
• Xenon™
• Mirage™ 
• Daytona™ 
• Avanti™