• MTX QuickTrack 2.0 System: Integrated MTX QuickTrack 2.0 system with additional straps allows to slide and lock on Topeak TetraRack M2L securely
• Insulation: Expanded polypropylene is a unique raw material that has many important characteristics which is used in this trunkbox making it suitable for E-bike battery carrier
• Weatherproof: Expanded polypropylene / Engineering grade polymer used in making this trunkbox makes it weather proof
• Capacity: It can accommodate battery dimension within 42 x 10 x 11 cm / 16.5 x 3.9 x 4.3 inch