The Topeak MTX 2.0 EXP Expandable Trunk Bag 16.6L offers a divided main compartment and expandable pannier side panels, providing a total capacity of 16.6 liters. Its rigid EVA foam construction ensures durability and water repellency. The bag is compatible with MTX QuickTrack for easy bike attachment. Additional features include a water bottle holder, shoulder strap, and reflective elements for enhanced convenience and safety. SKU: TT9647B2.