Living With A Sigma BC 1009 Cycle Computer

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For two and a half years I have been using the Sigma BC 1009 cycle computer on my bike which I mainly use for commuting. In that time it has worked flawlessly and only required 3 battery changes.

The device comes with instructions but they are fiddly to read so I created a YouTube video. I use it as a reference myself and it has proved quite popular among other BC 1009 owners.

Setup Video

I tend to find that the battery lasts between 6-12 months and as long as you change it when the battery warning comes on the settings are retained. That’s nice as it saves messing around with the wheel-size values.

I like the way it is really easy to remove from the bracket with a simple twist and is robust enough to have survived over two years of vibration, rain, mud and the occasional 1 metre drop onto concrete.

Here is the full specification :

General Functions

  • Languages setting, 7 languages
  • Automatic start/stop
  • Battery status display
  • Backup function (storage chip)

Sigma BC 1009 Cycle ComputerBike Functions

  • Actual speed
  • Average speed
  • Maximum speed
  • Trip distance
  • Comparison of current and average speed
  • Total distance (not shown while riding)

Time Functions

  • Riding time
  • Clock
  • Total distance (Not shown while riding)

The only thing I don’t like about it is the fact that it is assumed that users who want a 24hr clock would want the distance and speed values in Km. If you want your distances in Miles then you are forced to have an AM/PM style clock. A minor annoyance if like me you want distances in Miles and time in 24hr format.

Here is the Official Sigma BC 1009 Product Page.

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