Order your replacement leading edge or strut Reedin SuperModel V2/V3 bladder to do your own repair, or in case you want to keep a spare on a long trip. Suitable for SuperModel 2 (2021) and 3 (2022). Strut bladder fits size 4m as center strut and sizes 4m, 5m, 6m and 7m as side strut Strut bladder fits sizes 5m, 6m and 7m as center strut and sizes 8m, 9m, 10m and 11m as side strut Strut bladder fits sizes 8m, 9m and 10m as center strut and sizes 12m and 14m as side strut Strut bladder fits sizes 11m, 12m and 14m as center strut