Park Tool - BBT-18 BB/Chainring Lockring Tool
PARK TOOL - BBT-18 BB/CHAINRING LOCKRING TOOL
The BBT-18 is a heavy duty, investment cast tool for installing and removing all Shimano, ISIS Drive, and ISIS Overdrive eight-notch bottom bracket cups. Note: The BBT-18 is an updated version of the current BBT-8. The outside diameter of the tool has been changed so it provides a universal fit on all Shimano and ISIS Drive eight-notch cups.
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