What Our Gearhead Experts Are Saying:"The Lezyne Adapter Kit solved a real problem for me when I switched to an aero seatpost and my Strip Drive no longer had a clean mounting solution. Both adapters are built from solid materials, the straps hold everything firmly in place, and the whole setup takes about two minutes to install."Modern bike geometry has made seatpost shapes more varied than ever, and the Lezyne Adapter Kit exists to make sure that complexity never gets between you and a secure rear light mount. Including both a D-Shape and an Aero seatpost adapter alongside two ultra-durable mounting straps, it covers the two most common non-standard seatpost configurations that the Strip Drive and Radar Drive rear lights encounter on contemporary road and gravel bikes. The flexible strap design adapts to a range of seatpost shapes and sizes beyond the two included adapter profiles, and the industrial strength construction ensures the whole setup holds firmly through rough roads, long rides, and variable weather without loosening or degrading over time. It is a small, straightforward piece of kit that solves a specific problem cleanly and completely.