Stay organised, carry more, and ride farther without adding bulk or hassle. The Topeak MTM Trunkbag DXP is built for riders who need adaptable storage that holds firm under pressure. Its standout feature, a semi-rigid design with dual moulded side panels and weather-resistant fabric, keeps your gear protected and secure, even on uneven terrain. With expandable compartments, a rear water bottle holder, and multiple mounting options, it s designed to make every ride more efficient.Key Features and Benefits:Dual moulded side panels with flexible 600 denier polyester: These panels form a semi-rigid structure that resists deformation. This keeps the bag stable on the rack and protects its contents from light impacts and weather. The outcome is a trunkbag that maintains shape and provides dependable gear protection on uneven roads.Divided main compartment with multi-stage expandable top: The internal layout is structured for easy organisation, and the top can expand as needed. This provides flexibility for carrying items of various sizes. The result is better load management without the need for extra bags.Expandable pannier side panels: Both side compartments unzip and drop down to increase storage volume. This gives more room for carrying tools, clothing, or groceries. You gain up to 19.4 litres of space without changing your setup.Rear water bottle holder: An integrated bottle cage mount offers extra hydration capacity beyond your bike s frame mounts. This supports longer rides by allowing you to carry more water. You can extend your range without compromising internal storage space.Integrated mounting plate for KLICKfix, Racktime Snapit, or MIK Adapter: This mounting solution enables quick, secure installation on compatible racks. It removes the need for straps while improving stability. You get a neater, more efficient attachment that saves time.Rigid EVA foam insulation: The foam lining provides structure and light insulation for the contents. This shields delicate items from vibrations and helps maintain internal temperature. The benefit is better protection for food, electronics, and tools during transit.For most buyers, the goal is carrying more gear without affecting bike stability or handling. The Trunkbag DXP addresses this through its rigid design, smart compartment layout, and rack compatibility. Its expandable structure supports changing needs mid-ride, while the semi-rigid build keeps it compact and balanced. The mounting system and storage features work together to reduce hassle, letting riders focus on their trip not their gear.Built for flexibility and function, this trunkbag is ready for daily commutes or weekend rides. Make the most of your bike's rack with a secure, weather-resistant, and expandable gear solution.Specification:Compartment: 1 divided main with multi-stage expandable topTwo sides with expandable panniersCapacity: 19.4 LMax Load: Limited to rack maximum load ratingMaterial: 600 denier polyesterInsulation: Rigid EVA foamBag Attachment: Hook & loop fastenerIntegrated plate for installing optional KLICKfix / Racktime Snapit, or MIK AdapterSize: 36 x 25 x 21.5-29 cmWeight: 1030 g / 2.27 lbFeatures: Water bottle holder, Shoulder strap, Carrying handle, 3M reflective strip, Safety light clip, Reflective elastic cord, Mesh pocket