Spoke wrench for working while holding 4 sides of nipple Ideal for aluminum and high tension adjustments.
Our iconic spoke wrench has been the flagship of our product line since its launch over 40 years ago. The simple design and professional quality are still used by bike mechanics around the world. Each Park Tool SW-42 is made in the USA and is precisely stamped, hardened and nickel plated for long lasting use. Park Tool Spoke Wrench is vinyl dipped for easy sizing identification.
SW-42 uses the same world famous design and high quality materials as our three-way spoke wrenches, unique four-way wrench design provides extra strength and support and prevents the aluminum nipple from slipping and deforming.
The size of the SW-42 fits 3.45 mm (0.136 inch) nipples.This size is often found on most department store bikes and many other reasonably priced to moderate prices.Be sure to measure yourself.
Spoke nipples come in a variety of sizes and shapes, making it important to prepare a suitable wrench. Fortunately, the Park Tool offers a wide range of spoke wrenches for almost all sizes on bicycles. Here is how to determine the proper wrench for your bike and we have created to maintain the proper wrench.
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Size MattersMost corner nipple sizes are within 1mm each other, so they may appear to fit with oversized wrenches. However, nipples are usually made of brass or aluminum. Both are relatively soft material and may easily be damaged by the wrong size spoke wrench (or un-fit brand wrenches). |
Measure twice.The best way to determine the correct spoke wrench size is to measure the nipple of the wrench across the flat surface of the wrench. No need to worry about the spokes itself size.Spoke gauge does not correlate to the size of the nipple. |
Top 2For corner nipples it may be some sizes, but the two most common are nominal 3.2 mm (park tool SW-0) and 3.5 mm (SW-2) when measured on a flat surface. Use the smallest wrench that fits your nipple. |
SW-42 4-Sided Spoke Wrench | SW-40 4-Sided Spoke Wrench | SW-2 4-Sided Spoke Wrench | SW-7.2 Triple Spoke Wrench | SW-9 Double End Spoke Wrench | |
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Price | ¥1,082¥1,082 | ¥1,099¥1,099 | ¥973¥973 | ¥1,361¥1,361 | ¥2,222¥2,222 |
Spoke Nipple Size | 3.45mm (0.136") | 3.23mm (0.127") | 3.45mm (0.136") | 3.23mm(0.127"), 3.30mm(0.130"), 3.45mm(0.136") | 3.23mm (0.127") & 3.45mm (0.136") |
Features | Four-sided wrench for added safety | Four-sided wrench for added safety | Three most popular sizes for versatility | Ergonomic double head wrench |