While wireless derailleurs may offer fast and precise electronic shifting, the things ain't cheap. That's where the NXS system comes in, as it's promised to make existing cable-actuated mountain bike derailleurs wireless for less than eighty dollars.

While wireless derailleurs may offer fast and precise electronic shifting, the things ain’t cheap. That’s where the NXS system comes in, as it’s promised to make existing cable-actuated mountain bike derailleurs wireless for less than eighty dollars.