A spare Frontloader inner bag is available for purchase. The bag features roll-down access from both ends and has a built-in air release button. It has a waterproof rating of 10,000mm, ensuring your belongings stay dry. This inner bag is compatible with the Frontloader bike rack. It is a quality product from the brand Topeak. So, if you need a replacement or want an extra bag for your Frontloader bike rack, this spare inner bag is a perfect choice. Maintaining the waterproof integrity of your bike rack has never been easier with this high-quality spare Frontloader inner bag from Topeak.