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 features offered by many of the best cycling computers.
As its name says, the ROX 12.1 EVO is, an evolution of the Sigma ROX 12 cycling computer we reviewed in 2021. It's based around a three-inch colour touchscreen, augmented by five case-edge buttons, with a screen layout and font that Sigma says ensures excellent readability.
