Park Tool SW-40 Spoke Wrench
Best precision wrench for cyclists maintaining their own wheelsets.
A refined take on the classic spoke wrench that prioritizes nipple protection. The four-sided interface offers a more secure hold, making it an essential upgrade for anyone frequently working with aluminum nipples.
$11.50
at
Budget Bicycle Center
More Spoke Wrench options
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Park Tool Internal Nipple Spoke Wrench
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Park Tool SW-12C Spoke Wrench
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Park Tool SW-13 Spoke Wrench
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Park Tool SW-14.5 Spoke Wrench
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Park Tool SW-11
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Park Tool SW-15C Internal Nipple Wrench
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Park Tool SW-16 Spoke Wrench
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Who it's for
- Mechanics working with seized or delicate alloy nipples
- Professional shop technicians needing daily, high-volume reliability
- Wheel builders prioritizing precision and ergonomic comfort
Who should skip it
- Home mechanics maintaining bikes with varied spoke sizes
- Budget-conscious riders needing occasional, basic wheel adjustments
- Cyclists packing lightweight kits for roadside repairs
Performance breakdown
Nipple Engagement
Four-sided contact virtually eliminates the risk of rounding delicate spoke nipples.
Ergonomic Comfort
Vinyl-coated loop handle reduces hand fatigue during long wheel truing sessions.
Build Durability
Hardened steel construction withstands years of heavy-duty shop use without deformation.
Ease of Identification
Color-coded finish makes grabbing the correct size intuitive on busy benches.
Precision Fit
Tight tolerances ensure zero play when adjusting high-tension racing spokes.
Versatility
Specific sizing limits compatibility compared to universal or multi-size spoke wrenches.
Key Specs
Tool Type
Spoke Wrench
Material
Vinyl-coated steel
Spoke Nipple Compatibility
3.2mm
Handle Material
Vinyl
Number of Pieces
1
Number of Functions
1
Component Compatibility
Bicycle wheels, spokes
Still have a question?
Ask Metto anything about the Park Tool SW-40 Spoke Wrench before you decide.
