The Electra Kakau Go! is a new electric bike from the Trek Bicycle subsidiary. The cruiser has a 250 Wh battery which allows you to be assisted for up to 40 miles (~64 km), and a Hyena rear hub motor can assist you across three modes, with a top speed of 20 mph (~32 kph). A torque sensor on the bottom bracket automatically regulates the pedal assistance based on your output.
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