BBT-9 Bottom Brackett Tool

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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 ti ghtening and removing crankarm adjusting caps. Fits external cups and lockrings with 16 notches Compatible with cups approx. 44 mm in outside diameter Works with most external bearing bottom bracket systems Integrated tool for crankarm adjusting caps Long handle for secure leverage and easy use Park Tool construction for long‑term reliability Show more