Donkey republic system is based on hubs. As per our Terms and Conditions, you can get exclusivity based on your hubs' locations.
The exclusivity we provide is 300 meters radius around the hub. In order to be eligible to such exclusivity, the Hub as to contain a minimum of 5 bikes. In order to keep the exclusivity of the zone, you must continue to have enough bikes. You can read more about this in Terms and Conditions, paragraph 3.4