Park Tool
BBT-9 Bottom Brackett Tool
The Park Tool BBT‑9 is a durable, shop‑quality bottom bracket tool designed for installing and removing external bearing bottom brackets. It also includes a built‑in feature for tightening and removing crankarm adjusting caps.
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Fits external cups and lockrings with 16 notches
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Compatible with cups approx. 44 mm in outside diameter
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Works with most external bearing bottom bracket systems
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Integrated tool for crankarm adjusting caps
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Long handle for secure leverage and easy use
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Park Tool construction for long‑term reliability
Shipping information
Ships in 2–3 business days with free delivery across Canada on orders over $99. Same‑day pickup available Tue–Sat (closed Sun–Mon).
Returns & warranty
Enjoy hassle‑free returns within 30 days on unused items in original packaging (excludes bikes and sale items). Free in‑store returns anytime.