Goodbye, car. Hello, Range Boost! Range Boost seamlessly attaches a second 500Wh Bosch battery to the down tube on select Trek eBikes. Select Trek electric bikes can now be fitted with Range Boost, an option that can double your e-bike's range so you can ride longer, commute farther, and take on bigger adventures. Product details - Go farther without worrying if you'll have enough battery power to get there - One key will give you access to your main battery, Range Boost, and bike lock - The system automatically manages power between batteries, so you don't have to - Compatible with select e-bikes with Removable Integrated Battery (RIB) systems - Expert installation exclusively at your Trek retailer

- BT-E6000(battery) / SM-BNE60 (battery mount) - Consistent performance, minimally affected by weather and temperature - Long life design, greater than 1,000 charge cycles - BT-E6000 features integrated sense of design with carrier

- BT-E6010 (battery) / SM-BME61 (battery mount) - Consistent performance, minimally affected by weather and temperature - Long life design, greater than 1,000 charge cycles - BT-E6010 features easy mounting and release