Compatible withGarmin Varia RTL515 / RTL510 / Edge 520 / Edge 820 / Edge 1030. Bike Saddle Mount for Garmin Varia RTL515/RTL510 – Tail Light & Rearview Radar Holder. Mount yourGarmin Varia tail light or rearview radar securely under your bike saddle with thishigh-quality saddle support bracket.
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