The Pannier Stabilizing Insert reinforces the bottom & back of your bicycle bag ensuring stability when parked. It also cushions the lower part of the bag not only waterproofing your gear but also protecting it from shocks. The bright nylon fabric means that you can easily see the contents of the bag making it a breeze to find your equipment. This handy insert is compatible with all Back-Roller models & products with a similar shape such as Bike-Packers & Velo-Shoppers starting from the 2024 model year. For 2023 models or older you can easily retrofit them for the use of the Pannier Stabilizing Insert with the Retro Fit Kit Stabilizing Insert (F3912). More Information COLOR grey MATERIAL nylon ADAPTER - DATASHEET Download PROPERTIES nopvc