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Park Tool BBT-18 Shimano/ISIS Drive 8 Notch Bottom Bracket Tool
$35.99
The BBT-18 is a heavy duty, investment cast tool for installing and removing Shimano Octalink right cups with external notches and ISIS Drive bottom bracket cups.
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.
The BBT-18 has 8 notches with an outside diameter of nominally 43.4mm. The inside-to-inside width is approximately 38mm. Each notch is approximately 3.9mm wide. The hole in the centre of the casting is 22.5mm, and will not fit over the 30mm spindles.
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