Joined: Jun 2007
Posts: 264
Likes: 53
From: Russell Township, Ohio, USA
Bikes: 1975 Paris Sport 700, 2007 Dahon Mu P8 (folding bicycle), 1984 Miyata 210, 2024 Tenways CGO600 Pro e-bike
Depending on how much you need it to stretch, you could use a large O-ring in place of the elastic. Hardware stores usually have an assortment. Some vacuum cleaner belts are like big O-rings and you can find a selection of those at hardware stores and places like Target and Wal-Mart.