How to Install a Campagnolo ErgoBrain

Written by tammie painter Google
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How to Install a Campagnolo ErgoBrain
You can track your cycling stats with the ErgoBrain. (bike race image by jeancliclac from

The Campagnolo ErgoBrain is a model of cycling computer (also known as a cyclometer). This cyclometer goes beyond the basics of measuring speed and distance. The ErgoBrain tells you on the display if you are going slower or faster than your average speed, shows you what gear you're riding in and how far you are travelling with each push of the pedal. The ErgoBrain reads information from your gears and is somewhat more difficult to install than regular cyclometers.

Skill level:

Things you need

  • ErgoBrain Cyclometer kit
  • Bicycle with ErgoPower levers
  • 5mm Allen wrench
  • Phillips screwdriver
  • Tape or zip-ties

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  1. 1

    Attach the SPD (speed) sensor of the kit to your bike's front fork (the part of your bike that the front wheel attaches to). It should be placed not more than 10cm up from the hub of the front wheel. Attach the SPD magnet to a spoke of the front wheel so it lines up with the sensor.

  2. 2

    Attach the CDC (cadence) sensor to your chainstay (the horizontal part of your frame that runs from your pedals to your back wheel hub). The sensor should be placed not more than ten centimetres from the hub of your back wheel. Attach the CDC magnet on a spoke of your back wheel so it is in line with the sensor.

  3. 3

    Detach the left ErgoPower lever by removing the 5mm bolt at the handlebar with the Allen wrench. You may have to unwind your handlebar tape to remove the lever. Pull off the resin cover at the lower part of the lever.

  4. 4

    Check that the rotary ring (visible once you remove the resin cover) has its two holes at the 12 and 6 o'clock positions. Insert the black interface sensor into the rotary ring.

  5. 5

    Install the switch button by inserting the button marked "SX" into the small hole on the outer edge of the lever housing. Reassemble and reattach the left lever.

  6. 6

    Repeat Steps 4 through 6 for the right lever. The exceptions are that the interface sensor for the right side is white or red (not black) and the switch button is marked "DX" (not SX).

  7. 7

    Mount the bracket for the display unit in a convenient spot on your handlebar. Once positioned, tighten it using the screwdriver. To finish the installation, Tape any loose wires onto the frame or hold them in place with zip-ties to keep them out of the way while you are riding.

Tips and warnings

  • The sensors and magnets should have a clearance of less than five millimetres, but be sure the magnet isn't hitting the sensor when the wheel spins.
  • Attach all sensors securely so they don't fall off of the shift while riding.

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