Spoke wrench

A nipple clamps, also spoke tool, spoke wrench, spoke wrench or Centering called, is a tool to tighten the spoke nipples, special square sleeve nut, bicycle or motorcycle wheels or to solve and so to center by changing the tension of the spokes the wheels.

With the help of the nipple tensioner the voltage of a bicycle spoke can be adjusted on the spoke nipple. These sit with a thread on the spokes and can be adjusted by the spoke wrench by rotation. The best-known application areas for the bike tools are removing a runout ( colloquially also called eight or eight ), straightening of bent wheel rims as well as the replacement of individual broken spokes and the new lacing a wheel. In use, care should be taken to slowly and evenly slowly toward the result, otherwise you can easily become a runout of a side impact.

Simple designs grasp the nipple at two corners. Nipple sparing are models that focus on three or four corners.

The common sizes are:

• 0.127 " ( 3.23 mm, 3.25 mm rounded sometimes given as )
• 0.130 " ( 3.30mm)
• 0.136 " (3.45 mm)

In addition:

• 0.156 "( 3.96 mm)