5 arm chainrings
Rotor 5 arm 110mm BCD chainrings are the reference of the early 2010's. We keep available a little amount of these chainrings. Most of the time they have been replaced by the 4 hole standard
Rotor 5 arm 110mm BCD chainrings are the reference of the early 2010's. We keep available a little amount of these chainrings. Most of the time they have been replaced by the 4 hole standard
