Hi,

My friend wants to start biking again for recreational, fun, exercise, and wanting to be active reasons. He just recently bought a Roof Rack with the Bike attachment for his Acura Sedan. He's thinking of riding on bike trails, minimal dirt, mostly flat with a little bit of incline. This will be mainly recreational but might turn into an every now and then 5 mile commute to work.

He wants to know what brand bike to purchase. His budget is flexible but must be reasonable.
The bike has to safely be mountable on his Roof Rack. He's thinking of a Road bike or a Mountain Bike. I told him I'll ask around to see what types of bike he should look into. He lives in California Walnut/LA area, a good Local bike shop to check out would be helpful too. Any input would be greatly appreciated, and i'll relay the message to him.
Thx in advance