Park Tool Shimano 39 mm bottom bracket tool
Park Tool Shimano 39 mm bottom bracket tool
A precision CNC-machined aluminum tool for the installation and removal of select threaded bottom brackets with 16-notch tool fittings, including Shimano® XTR® BB93, Dura-Ace® BB9000, and Token® bottom brackets. Manufactured in-house by Park Tool, anodized for easy identification and featuring a ratchet/torque wrench-compatible 3/8" drive. The BBT-49.3 features integrated threads for full compatibility with the Park Tool BBT-RS Bottom Bracket Tool Retaining System (sold separately). The BBT-RS uses an adjustable spring-based tension system to apply consistent, adjustable pressure to the tool, ensuring full engagement with the tool fitting and preventing slippage.
Features
Fits 16-notch threaded bottom bracket tool fittings with a major diameter (outside of notches) of 39-40 mm and a minor diameter (inside of notches) of 37.6 mm, including:
- Shimano® XTR® BB93
- Shimano® Dura-Ace® BB9000
- Shimano® Dura-Ace® BB-R9100
- Token®
- Increased depth to fit Shimano® STEPS® motor unit
Also fits chainring lockrings on Shimano® STEPS square spindle e-bike systems including:
- E6000
- E6002
- E6050
- Replacement for Shimano TL-FC38 tool
- Not designed for use with impact drivers or other power tools
| Brand | Park Tool |
| SKU / MPN | BBT-49.3 |
| GTIN / Barcode | 763477001610 |
| Condition | Brand new, in original manufacturer packaging |
| Availability | In stock — ready to dispatch |
| Dispatch | 1–2 business days after payment confirmation |
| Delivery | Free tracked shipping Australia-wide. Dispatch within 1–2 business days, delivery typically 3–5 business days (4–7 days total); remote areas may take a little longer. We ship within Australia only. |
| Returns | 14-day returns — see our Return & Refund Policy. Consumer guarantees under the Australian Consumer Law apply. |
| Warranty | Manufacturer warranty terms vary by brand. If warranty coverage matters for this purchase, contact us before ordering and we will confirm what applies to this item. |