Sigma Rox 12 cycling computer review

Draw your route on the screen and go with the Sigma Rox 12 cycling computer

Sigma Rox 12 cycling computer
(Image: © Colin Levitch)

Cyclingnews Verdict

The best touch screen of any head unit we've used to date, the Sigma Rox 12 is the computer we'd pick for exploring new roads

Pros

  • +

    Screen detail and responsiveness

  • +

    Map drawing speed

  • +

    Reliability

Cons

  • -

    Closed off system

  • -

    Screen does not utilise available realestate

You can trust Cyclingnews Our experts spend countless hours testing cycling tech and will always share honest, unbiased advice to help you choose. Find out more about how we test.

When I was a kid, I remember my dad wiring up an old Sigma computer to my bike. The little black box mounted on my bars showed current speed and distance, and I remember ripping around the neighbourhood trying to see how fast I could go down the hill at the end of my block.

The best cycling computers have come a long way since the late 1990s, and the Sigma Rox 12 is evidence of how powerful these little units have become. Sitting at the top of the German brand's range of GPS-enabled head units, the Rox 12 is a clear shot across the bow of its competitors, but should they be worried?

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