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 ...

The Sigma ROX 12.1 Evo became the German brand’s premium GPS computer when it launched earlier this year. But despite costing a hefty £379.95 / $379.95 / €379.95, the Sigma ROX 12.1 Evo lags behind ...

Sigma has released the ROX 12.1 Evo bike computer, which gains Bluetooth connectivity and a Crash Detection feature while offering more routing options than its predecessor. The new computer succeeds ...

The cycling computer market is an increasingly crowded space. One brand you may not have considered is Sigma, but the newly launched Sigma ROX 12.1 EVO is looking to change that, and matches the ...