Mount your radar tail light or bike tail light (both sold separately) to the seat post of a second bike with this quarter-turn mount.
Bike TailLight Bracket Saddle Mount Fix Holder For Garmin Varia RVR315 RTL 510 515 Rear View Radar Compatible With Bike Computer
MagCAD Garmin Varia Specialized SWAT Saddle Mount
Garmin Varia Seat-Post Quarter Turn Mount
Essential utility, leading-edge technologies, compelling features, and exceptional ease-of-use to create clear differentiators our customers
Garmin 010-10644-12 Mount, Varia Radar, Seat Post
Garmin Universal Varia Seat-post Quarter Turn Mount (010-10644-12)
TUSITA Seat Post Quarter Turn Mount Compatible with Garmin Varia RTL510 RTL515 RVR315 Rearview - Fit 27.2mm 30.9mm 31.6mm Bars Seatpost : Electronics
TUSITA Bike Seat Post Mount Compatible with Garmin Varia RTL510 RTL515 RVR315, Rearview Radar - Round,D Shaped,Aero Seat Post Compatibility : Electronics
Garmin New OEM Varia™ Tail Light Multi-location Quarter Turn Mount O-rings, 010-12385-10
Garmin Varia Universal Seat-post Quarter Turn Mount Black - Pushys
Universal Cycles -- Garmin Varia Seat Post Quarter Turn Mount [010-10644-11]
Horizontal Mount Arm Kit (SL) for Garmin Varia RVR315 (Includes Tether)