I have been speeding around on a new bike this weekend, a cheap-o fixed gear I picked up in order to study for the Gadget Lab build-a-fixie project. I’m hooked — it’s so much fun riding the thing.

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 You can trust Cyclingnews Our experts spend countless hours testing ...

One of the fastest-updating wireless computers we've tested, with a clear and simple display. We’ve had one of these for about a year, and it has been working faultlessly, much like every other Sigma ...

If you’re looking for a cheap and cheerful bike computer that will track your ride time and speed, there are plenty of options to choose from. The sophistication of the computer you buy will depend on ...