Based on decades of empirical evidence, the general consensus among 95% of the world’s drivetrain scientists has been that a 12-speed road group would someday…
![](https://www.bikehugger.com/wp-content/uploads/2018/04/xCampagnolo-12sp-rear-derailleur-01-1160x504.png.pagespeed.ic.hslvZY16dk.jpg)
Based on decades of empirical evidence, the general consensus among 95% of the world’s drivetrain scientists has been that a 12-speed road group would someday…