1 / 7Park Tool BBT-69.4 44 mm 16-Notch Bottom Bracket Tool
Park Tool BBT-69.4 is a 44 mm, 16-notch tool for selected threaded bottom brackets and other compatible fittings. Its 3/8-inch drive accepts a ratchet or torque wrench, while the stated fit range makes checking the exact component fitting essential before purchase.
At a glance
- The 44 mm, 16-notch profile is stated to fit selected bottom bracket cups and other matching fittings.
- A 3/8-inch drive can be used with a compatible ratchet or torque wrench.
- The manufacturer also lists compatibility with centre-lock disc brake lockrings and certain mid-drive motor lockrings.
- Added depth is described for Shimano STEPS square-drive motors.
Reference price: £26.99
Price checked: 14 Nov 2026
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Pros and cons
Pros
- A defined 44 mm, 16-notch profile and named compatible component families help buyers check fit before ordering.
- The 3/8-inch drive supports use with a ratchet or torque wrench.
- The stated applications extend beyond bottom brackets to compatible centre-lock rotor and e-bike motor lockrings.
Cons
- The aluminium construction has a reported durability trade-off, with some customers reporting that the teeth become damaged during use.
Technical specifications
12 specifications| Brand | Park Tool |
|---|---|
| Model | BBT-69_4 |
| Type | Bottom bracket and pedal tool |
| Colour | Blue |
| Tool fitting | 44mm 16-notch |
|---|---|
| Drive | 3/8" drive fitting |
| Specified Shimano compatibility | Fits Shimano BB80, BB5700, BB70, BB51 and older bottom brackets |
| Additional stated fit | Also fits many external threaded types for Campagnolo, Chris King, FSA MegaExo, Hope, SRAM/Truvativ GXP, Race Face X-type, Surly, Wheels, Fulcrum, and others |
| Length listed | 7 Inches |
|---|---|
| Weight listed | 74 Grams |
| Material listed | Aluminium, Plastic |
|---|---|
| Finish | Anodized |
What to know before buying
- Fit depends on the component having the matching 16-notch profile and dimensions. The manufacturer says not to use this aluminium tool with impact drivers. The BBT-RS retaining system is sold separately.
What’s in the box
Included- Item
Who is it for?
A good fit for
- Home mechanics servicing compatible 16-notch threaded bottom brackets.
- Bike workshops needing a 3/8-inch-drive tool for compatible bottom bracket cups, centre-lock rotor lockrings or listed e-bike motor lockrings.
Less suited to
- Buyers whose component does not match the stated 16-notch fitting.
- Use with an impact driver, which the manufacturer advises against.
Customer reviews on Amazon
- 5 stars
77% 77% - 4 stars
10% 10% - 3 stars
6% 6% - 2 stars
2% 2% - 1 star
5% 5%
Customer feedback reports that the tool works well without stripping components, fits Shimano brake lockrings and is useful for disc brake rotor work. Some customers praise its shop-quality construction, while opinions on price vary. Durability feedback is mixed, including reports of aluminium teeth becoming damaged. That concern matters most when regularly working on tight fittings. The listing advises against impact-driver use.
Positive themes
- Customers report good functionality and fit on compatible Shimano brake lockrings.
- Feedback praises the construction and use on disc brake rotors.
Negative themes
- Some customers report the aluminium teeth becoming damaged during use.
- Some customers consider the tool expensive.
Mixed feedback
- Opinions differ on whether the price is justified, and durability feedback is mixed.
Frequently asked questions
Which fittings is the BBT-69.4 intended for?
The listing specifies 44 mm, 16-notch fittings and names selected Shimano bottom brackets, other external threaded cups, centre-lock disc brake lockrings and certain Bafang mid-drive motor lockrings. Confirm your component's fitting before buying.
What drive does it use?
It has a 3/8-inch drive fitting, described as compatible with a ratchet or torque wrench.
Can it be used with an impact driver?
No. The manufacturer specifically says not to use its aluminium bottom bracket tools with impact drivers.
Is the retaining system included?
The BBT-RS retaining system is described as sold separately, so it should not be assumed to be part of this tool's package.
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