Key Features:Adds extra range to your TQ HPR50-powered e-bike like the Trek Fuel EXe 5160 Wh battery capacityGenuine TQ battery, compatible with select models (e.g., Trek Fuel EXe 2023)Fits neatly into a Bontrager side-load water bottle cage in the inner triangle, where there's a short reach to the charge port, and is secured in place by a retention strap (TQ Range Extender Cable and Retention Strap sold separately).SpecificationManufacturer: TQ Systems Drive system: TQ-HPR50 Battery position: Down tube / seat tube (semi-integrated) Battery capacity: 160 Wh Item: HPR Range Extender Battery Included: 1x TQ HPR Range Extender 160 Wh Battery