The E-Xplorer TrunkBox is an eBike specific spare battery carrier made of expanded polypropylene providing excellent impact absorption, water resistance, high strength and thermal insulation. The grip straps secure your spare battery in place. Compatible with Topeak’s MTX QuickTrack® 2.0 system, there’s even enough room to carry additional food, drink and gear for your eMTB adventures.

• The E-Xplorer TrunkBox is an eBike specific spare battery carrier made of expanded polypropylene providing excellent impact absorption, water resistance, high strength and thermal insulation. The grip straps secure your spare battery in place. Compatible with Topeak‚Äôs MTX QuickTrack¬Æ 2.0 system, there‚Äôs even enough room to carry additional food, drink and gear for your eMTB adventures.