The Topeak MTX Trunk Bag DX is a versatile bag that can be used as both a front and rear pannier. With a 12.3L capacity, this bag offers ample space for all your riding essentials. Made from 600-denier polyester fabric, our exclusive construction process combines molded panels and flexible fabric for rigidity and water resistance. Rigid EVA foam insulation keeps your belongings safe and secure while riding. The Topeak MTX Trunk Bag DX is compatible with all MTX QuickTrack racks and features an MTX QuickTrack bag mounting system. The bag comes with a shoulder strap, carrying handle, and top bungee cords. It also features a 3M reflective stripe, a safety light clip, and an optional rain cover. With two zippered side pockets and a bottle holder on the back, this bag offers ample storage for all your riding essentials. The maximum load is limited to the rack's maximum capacity. The dimensions of the bag are 36*25*21.5-29cm and the weight is 985g. Product specifications - Material: 600 denier polyester - Water-repellent - Rain cover included: No - Width in cm: 25 - Height in cm: 36 - Capacity in liters: 12.3 - Accessory attachment system: Adapter - Compatible with all MTX QuickTrack racks - Weight: 985 gr - Maximum load: limit of the luggage carrier