If you're flying in, you'll need to get some supplies. Trader Joe's or Whole Foods are the most likely spots for your food needs, but if you get up to KeyStone Savemart, they usually have a few used bikes for sale from the Kiwanis Bike Program (sold eparate from that - sold out - reserved program). May or may not be sold out. You may or may not have room for a bike with your transportation from Reno to BRC.
When you go through, there may still be used bikes for sale in Gerlach and you go through to the Playa. If they're available, and a price you'll pay, and you've space, and traffic allows you to stop safely and without tying up traffic.
As noted, you need a bike lock,
and a bike light.