Trek District+ 4The District+ 4 is a sleek and capable city e bike with rugged durability and top end comfort. Its frame integrates the batteries inside the downtube and comes with four battery capacity options, ranging from 400 Wh to 800 Wh, so you can choose what's right for your commute. The District+ 4 features a belt drive for low maintenance durability. Bosch's new smart system allows your bike to pair with your smartphone for tracking activities, mapping rides
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