Park Tool Bottom Bracket / Lockring Tool
Best durable shop grade tool for home bicycle mechanics.
A versatile, heavy-duty solution for stubborn bottom brackets and lockrings. With multiple engagement options and a deep-body design, it provides the leverage and stability required for professional-grade maintenance on a wide variety of threaded components.
$46.95
at
Sierra Cyclesmith
More Bottom Bracket Tools options
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Park Tool BBT-22 Bottom Bracket Tool
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Park Tool BBT-16 Crank Cap Tool
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Park Tool Bottom Bracket Tool BBT-22
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Park Tool BBT-49.2 Bottom Bracket Tool
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Park Tool BBT-69.4 Bottom Bracket / Lockring Tool
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Park Tool BBT-RS Bottom Bracket Tool Retaining System
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Park Tool BBT-32c Bottom Bracket Tool
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Park Tool BB30/PF30 Press Fit Tool
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Park Tool BBT-49.3 Bottom Bracket Tool
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Park Tool BBT-27.3 Bottom Bracket Tool
$30.95
Park Tool BBT-69.2 Bottom Bracket Tool
$26.95
Park Tool BBT-18
$27.95
Park Tool BBT-27.2
$34.95
Park Tool BBT-90.3
$62.95
Park Tool BBT-32
$13.49
Park Tool BBT-47-12 Bottom Bracket Tool
$30.95
Park Tool BBT-35-12
$28.95
Park Tool BBT-35-36 Bottom Bracket Tool
$29.95
Park Tool Bottom Bracket Tool
$30.00
Park Tool BBT-16 Crank Cap Tool
$20.95
Park Tool BBT-90.3
$62.95
Park Tool BBT-35
$35.21
Park Tool BBT-35-36
$29.95
Park Tool BBT-18C
$27.95
Park Tool Bottom Bracket Tool
$52.95
Park Tool Bottom Bracket Tool
$52.95
Park Tool Bottom Bracket / Lockring Tool
$36.95
Who it's for
- Home mechanics seeking professional-grade tools that last a lifetime
- Bicycle owners prioritizing the protection of their bike's finish
- Multi-bike owners needing a single tool for various maintenance tasks
Who should skip it
- Mechanics dealing with severely rusted or stuck vintage components
- Frequent users who prefer padded or contoured tool grips
- Riders with modern high-end road or mountain bike cranksets
Performance breakdown
Build Durability
Precision-machined 4140 steel ensures this tool survives a lifetime of abuse.
Versatility
Three distinct engagement methods handle almost any bottom bracket or lockring.
Spindle Clearance
Extra-deep body design easily clears wide spindles and recessed lockrings.
Stability
Integrated threads allow for guide pins to prevent slipping under pressure.
Ergonomics
Standardized drive sizes make it compatible with most shop torque wrenches.
Compatibility Range
Covers everything from standard bottom brackets to modern mid-drive motor lockrings.
Key Specs
Material
4140 Steel
Compatibility
16-notch tool fittings (44-45 mm major diameter)
Drive Size
3/8 inch
Wrench Flats
36 mm
Hex Fitting
1 inch
Internal Clearance
42 mm depth x 30.44 mm diameter
Outer Diameter
50.04 mm
Know before you buy
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