Garmin Varia Round Seat Post Quarter-Turn Mount Varia Radar Road Bike Bar
Varia™ Rearview Bike Radar. Varia™ RTL510. Varia™ RTL515. Varia™ RVR315. Includes mount and 2 fitting shims. (0.3 N-m). You should check the tightness of the screw periodically. Replace and tighten the screw.