While everyone else keeps adding more and more ...
gears, the Box Three 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 ...
corrosion and wear-resistance. Our unique inner link spacing is engineered to grab those modern wide/narrow chainrings. All Prime 9 chains have chamfered shifting edges, solid plates and solid pins to safeguard durability. ...