What size are spoke wrenches?

The most common spoke nipple sizes are 3.23mm, 3.30mm, and 3.45mm. However, you might encounter other spoke nipple sizes ranging anywhere from 3.2mm to 9mm. Many spoke nipples are also square-shaped, including the most common sizes listed above. Some manufacturers use star-shaped or hex-shaped spoke nipples instead.

How do I know which spoke wrench?

The best method to determine the correct spoke wrench size is to use a caliper and measure the nipple across the wrench flats. It is important to know that the diameter, or so called “gauge”, of the spoke does not determine the spoke wrench size.

Which way do you tighten spokes?

The key to truing is adjusting the spoke(s) on the correct side of the wheel. Note that the spokes have nut-like devices at the rim called nipples. When viewed from above, nipples are turned clockwise with the spoke wrench to tighten spoke tension and counterclockwise to loosen it.

How do I know what size spoke wrench to get?

How accurate do spoke lengths need to be?

In essence, you will want to be pretty precise. 2mm too long might just be ok, 2mm short might be too short. Be sure to measure the ERD yourself (!) and as precise as you are able to. The spokes on my last build had 10mm thread, and the nipples, despite being 12mm long, only had 7mm thread.

What size spoke for 29er?

Common Spoke Lengths

How do you measure for replacement spokes?

Spoke length is measured from the inside of the elbow, as shown in the image below, to the threaded end. When measuring a spoke using a tape measure, a second spoke may be used to hold the elbow of the spoke and the tape measure’s tab, as shown.