The Rotor S1 stem features unique thread spacing: the faceplate has tight spacing, while the stem itself has wider spacing, resulting in a ramping effect when tightening the bolts.
Slideshow: Click photo to view next image
The Rotor S1 stem features unique thread spacing: the faceplate has tight spacing, while the stem itself has wider spacing, resulting in a ramping effect when tightening the bolts.
