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An electric-assist wheel that can simply be installed on a regular bike, to provide a boost when needed. It fully integrates a 250W electric motor, a lithium battery pack, and multiple sensors to enable controlling the level of assist depending on need. The level of assist can be controlled through a smartphone that connects to the wheel's sensors via Bluetooth. It has a declared range of 40 to 100 km and can assist at speeds up to 25 km/h. First deliveries to customers started in 2015.
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