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.

• 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