Park Tool SW-0 Spoke Wrench

The SW-0 is specifically sized for .127 inch (3.23 mm) spoke nipples. Before purchasing, check your wheel manufacturer's specifications or use a spoke wrench sizing guide to ensure this matches your specific nipple size, as spoke nipples vary significantly across different wheel brands.

Yes, the SW-0 is a professional-grade tool. Its hardened, nickel-plated steel construction is designed to withstand the daily, high-volume use typical of a professional bike shop environment.

The vinyl coating serves two purposes: it provides a comfortable, non-slip grip for better control while tensioning, and it acts as a color-coded identifier so you can quickly grab the correct size from your toolbox without reading the stamp.

No, this wrench is precision-sized for a specific nipple dimension. Using it on an incompatible nipple size can cause the wrench to slip, potentially rounding off the corners of the nipple and making it difficult to adjust your spoke tension.

Absolutely. Whether you are building a wheel from scratch or performing routine truing adjustments, the SW-0 provides the exact fit and leverage required for accurate, consistent spoke tensioning.