https://www.petzl.com/CH/it/Sport/Pezzi-di-ricambio/Fettuccia-per-attacchi-BACK-LEVER-e-BACK-FLEX
Fettuccia per attacchi BACK LEVER e BACK FLEX - Pezzi-di-ricambio | Petzl Schweiz
Petzl Schweiz. Fettuccia di ricambio per attacchi BACK LEVER e BACK FLEX (confezione da 2)
pezzi di ricambioback lever
https://www.petzl.com/PT/en/Sport/Spare-Parts/Webbing-for-BACK-LEVER-and-BACK-FLEX-Heel-Bails
Webbing for BACK LEVER and BACK FLEX Heel Bails - Spare-Parts | Petzl Portugal
Petzl Portugal. Replacement webbing for BACK LEVER and BACK FLEX heel bails (pack of 2)
back lever