Range Boost Extended Battery

Range Boost seamlessly attaches a second 500 Wh Bosch battery to the downtube on select Trek e-bikes.<br /> - Go further without worrying if you'll have enough battery power to get there<br /> - One key will give you access to your main battery, Range Boost and bike lock One key will give you access to your main battery, Range Boost, and bike lock<br /> - The system automatically manages power between batteries, so you don't have to The system automatically manages power between batteries so you don't have to<br /> - Compatible with select e-bikes with Removable Integrated Battery (RIB) systems Compatible with select eBikes with Removable Integrated Battery (RIB) systems<br /> - Expert installation exclusively at your Trek retailer Expert installation exclusively at your Trek retailer<br /> - Only works in combination with 500Wh or 625Wh batteries<br /> - Not compatible in combination with 300Wh and 400Wh batteries<br /> - Not compatible with Allant+ Lowstep frames, due to insufficient space on the down tube