I have a hybrid bike and under description for Spokes it says "Stainless PG"...but when I look for spokes there are a multitude of sizes, thicknesses, butted, double-butted, etc.!

How do I know what to get for my bike to replace a broken spoke?

  • 1
    PG = Plain Gauge
    – andy256
    Aug 22, 2016 at 11:40
  • Thanks @andy256 :) That answers part of it...but what about the length of spoke? Is it simplest just to measure a spoke? Do spoke lengths vary around the wheel according to pattern?
    – BlueChippy
    Aug 22, 2016 at 11:42
  • 1
    Spoke length is apt to vary on the left side vs the right. (What I do when I need spokes is to take a sample to the local bike shop.) Aug 22, 2016 at 12:03
  • As @Daniel suggests, take the spoke or a neighbouring spoke to your local shop. They should have a range of sizes. The other way is to take the whole wheel, and measure the length it needs. The first way is the more accurate.
    – andy256
    Aug 22, 2016 at 12:13
  • 2
    All the spokes on one side of a wheel should be the same size.
    – rclocher3
    Aug 22, 2016 at 16:27

1 Answer 1


There are two ways to determine spoke length:

  1. Measure against a broken or existing spoke and because this is cycling there is a special tool for it - the spoke ruler! Most LBS have them for correctly measuring spokes. If you are measuring with a standard ruler measure from the center of the J bend to the end of the spoke.

Spoke Ruler

  1. Use a spoke calculator. There are a number online such as ProWheelBuilder that already have a number of standard rims and hubs built in and selectable. Otherwise you need to make a number of accurate measures of your rim and hub (or search them out online).
  • Not quite clear what you mean by "from the center of the J-bend". Are you measuring the hypotenuse?
    – Tim
    Mar 15, 2020 at 12:43

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