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Varia Radar Mounting to an Aero Seat Post
The size of a seat-post can come in various diameters for road and mountain bicycles. The Varia RTL (rearview taillight) comes with two mounting options. A clamp seat-post quarter-turn mount that can be used on circular shaped seat post. Along with the O-ring universal seat-post quarter-turn mount that works with most aero seat-post.