The Association does not rent or loan skates.
Our historical partner "Nomadeshop" does provide a skate rental service in its store right where the skate starts, place de la Bastille :
https://uk.nomadeshop.com/shop/skate-rental-paris/
CAUTION : make sure you contact them and inquire about conditions and opening times, which evolve with seasons.  [feb 2022 : closed on sundays/mondays]