The Park Tool SW-40 is the four-sided spoke wrench for nipples with 3.23 mm wrench flats, a size often found on higher-end bikes. The Park Tool SW-40 four-sided spoke wrench for 3.23 mm nipples is the equivalent of the SW-0, but with a head that wraps the nipple on four sides.
The SW-40 uses the same design and materials as the classic three-sided Park Tool spoke wrenches, adding a four-sided shape for extra strength and support: the wrench slips less and the nipple does not deform. It is made in the USA, heat treated and nickel plated, with a vinyl coating that shows the size at a glance.
Where to use the Park Tool SW-40 four-sided spoke wrench
- Higher-end bike wheels with 3.23 mm nipples.
- Nipples from brands such as DT Swiss, Sapim, Wheelsmith, Pillar and many others.
- Truing and re-tensioning where maximum grip on the nipple is needed.
- Always measure the nipple before working: the SW-40 is designed for 3.23 mm only.
Why choose Park Tool SW-40
- Four-sided head for a firmer grip than three-sided wrenches.
- Reduces slipping and nipple deformation.
- Heat treated and nickel plated for long service.
- Vinyl coating that identifies the size immediately.
For anyone working on quality wheels, the Park Tool SW-40 four-sided spoke wrench for 3.23 mm nipples combines the right size with an even more secure grip.
TECHNICAL SPECIFICATIONS
General
- Code: SW-40
- Type: four-sided spoke wrench
- Equivalent to: Park Tool SW-0
- Made in: USA
Materials
- Finish: heat treated and nickel plated
- Coating: vinyl, to identify the size
Compatibility
- Nipples: 3.23 mm (0.127") wrench flats
- Typical brands: DT Swiss, Sapim, Wheelsmith, Pillar and others
The Park Tool SW-40 is the four-sided spoke wrench for nipples with 3.23 mm wrench flats, a size often found on higher-end bikes. The Park Tool SW-40 four-sided spoke wrench for 3.23 mm nipples is the equivalent of the SW-0, but with a head that wraps the nipple on four sides.
The SW-40 uses the same design and materials as the classic three-sided Park Tool spoke wrenches, adding a four-sided shape for extra strength and support: the wrench slips less and the nipple does not deform. It is made in the USA, heat treated and nickel plated, with a vinyl coating that shows the size at a glance.
Where to use the Park Tool SW-40 four-sided spoke wrench
- Higher-end bike wheels with 3.23 mm nipples.
- Nipples from brands such as DT Swiss, Sapim, Wheelsmith, Pillar and many others.
- Truing and re-tensioning where maximum grip on the nipple is needed.
- Always measure the nipple before working: the SW-40 is designed for 3.23 mm only.
Why choose Park Tool SW-40
- Four-sided head for a firmer grip than three-sided wrenches.
- Reduces slipping and nipple deformation.
- Heat treated and nickel plated for long service.
- Vinyl coating that identifies the size immediately.
For anyone working on quality wheels, the Park Tool SW-40 four-sided spoke wrench for 3.23 mm nipples combines the right size with an even more secure grip.
TECHNICAL SPECIFICATIONS
General
- Code: SW-40
- Type: four-sided spoke wrench
- Equivalent to: Park Tool SW-0
- Made in: USA
Materials
- Finish: heat treated and nickel plated
- Coating: vinyl, to identify the size
Compatibility
- Nipples: 3.23 mm (0.127") wrench flats
- Typical brands: DT Swiss, Sapim, Wheelsmith, Pillar and others
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