gears, the Box Four Prime 9 Groupset takes a different approach. The engineers at Box decided that sometimes simple is better so they developed a groupset with a wide ratio range over ...

drivetrains upwards of 13 speeds, Box believes that more is not necessarily better. The Idea behind the 9-speed drivetrain is to keep things simple while receiving the same gear range in a ...

gears, the Box Two Prime 9 Multi Shift Groupset takes a different approach. The engineers at Box decided that sometimes simple is better so they developed a groupset with a wide ratio ...

shifting experience. Shimano 105 Di2 brings Shimano's world-class electronic shifting experience to a wider audience. This mid-range groupset boasts quick crisp shifting and the all-around reliability that you can expect from Shimano. ...

want nothing but the best, the Dura-Ace R9200 Di2 electronic groupset is the right choice. Shimano's top-tier road group, this is what Tour de France pros ride. It's light, fast, and performs ...