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Amazon.com: TUSITA Seat Post Quarter Turn Mount Compatible with Garmin Varia RTL510 RTL515 RVR315 Rearview - Fit 27.2mm 30.9mm 31.6mm Bars Seatpost : Electronics
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Amazon.com: Thinvik Varia Mount Compatible for Garmin,Adjustable Varia Bike Mount.Compatible with Garmin Varia Rearview Radar RTL510,Taillight,Gopro Camera.for Bicycle Saddle, Bike Seat Bow Mount Holder : Electronics
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Xotic Tech Bike Adapter Mount Only, Compatible with Garmin Varia RCT715 Tail Light - Type A - Walmart.com
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