• Top Expandable Design: Our bike rack bag has adjustable top expansion, convenient for those high items, easily secured with a quick buckle.
• EVA Hard Shell: Side surface made of hard EVA material and make this bike rear bag safe for your items, maintaining the shape of the trunk bag.
• Rigid Removable Support: The reinforced bottom structure of ROCKBROS bike trunk bag not only preserves its shape but also ensures that all your belongings stay organized.
• Multi-Use: The expandable trunk bag can be fully opened to expand capacity or folded. Whether you need to trip, commute, and as an ebike bag, it's all convenient to storage long items.
• Large Capacity: space is no issue with this bike trunk bag, offering up to 11L of storage to ensure you everything you need for grocery shopping and cycling.