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Overview

What nipple size is the Park Tool SW-0C Spoke Wrench for?

The Park Tool SW-0C Spoke Wrench is sized for 3.2mm spoke nipples and color-coded black for fast identification in a tool roll or shop drawer. The hardened steel body provides a precision fit around 3.2mm flats, giving mechanics and wheel builders the close tolerance they need for controlled, incremental adjustments without the slippage that rounds nipple corners.

Size matters enormously with spoke wrenches. Even a quarter millimeter of mismatch leads to slippage and damaged nipples. The SW-0C takes that guesswork out of the equation for the 3.2mm nipples commonly found on quality aftermarket and OEM wheels. Keep it alongside the rest of your Park Tool color-coded spoke wrench set for full nipple size coverage.

All the specs

SKU 210000000260

Nipple size
3.2mm
Color code
Black
Body material
Hardened steel
Use
Wheel truing and spoke tension adjustment

Good questions

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How do I confirm the SW-0C is the right size for my wheels?

Measure across the flats of your spoke nipples or check with the wheel or spoke manufacturer. The SW-0C is designed for 3.2mm nipples. Using an incorrect size risks rounding the flats and damaging the nipple.

What does the black color code indicate?

Black indicates 3.2mm nipple compatibility in the Park Tool spoke wrench color system. Green is 3.30mm and red is 3.45mm.

Can I use the SW-0C on both alloy and brass nipples?

Yes. The SW-0C works on alloy and brass 3.2mm nipples. Apply steady, controlled force and avoid over-turning to protect softer alloy nipples from rounding.

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