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How to Measure BMX Handlebars

When you measure the handlebars on a BMX bicycle, keep in mind that measurements on these bikes are taken in ̶0;inches.̶1; This helps to minimize confusion when you purchase replacement or customized parts. When you measure your BMX bike's bars for a replacement set, three things about the bars are important: diameter, reach and height.

Things You'll Need

String
Tape measure

Instructions

- 1
  Place a string around the tubing of the handlebars and mark the location where the string overlaps. Stretch the string out on a table and measure the length from the end to the mark with a tape measure. This tells you the diameter of the tubing. It's important to select handlebars matching the diameter so you can secure the replacement bars to the handlebar clamp.
- 2
  Measure from the end of the handlebar grip on the left side of the handlebars, straight across to the end of the handlebar grip on the right side to obtain the reach. The reach is the overall length. Select a longer or shorter reach, depending on your desired riding position.
- 3
  Measure the height of the handlebars by extending a tape measure from the bottom of the handlebars at the handlebar clamp to the top of the handlebars where the grip mounts to the bar. Keep the tape measure vertical.

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