They are Basically new, only a test ride are in them.

Zipp ZR1 Hub

Winner of a Design and Innovation Award and Best Buy in Gran Fondo's 2024 aero wheel comparison, the Reserve 52|63 was designed to be the ultimate wheelset for sprint stages, triathlons, and anywhere with a straight long enough to make a break for it. The 52mm deep front slices through the air while still guaranteeing predictable handling in crosswinds, and the deep, 63mm rear helps you bank watts for those crucial final kilometers. It's the ultimate go fast wheelset, designed with Turbulent Aero technology.