Not really, There is a bike swapmeet that takes place at Pioneer High School in Whittier CA every so often. Not sure what day. Also Pomona Classic Car Swapmeet and show. At Fairplex next one is August 12th, 2018. NEED TO BE EARLY! (6 am) TONS of vendors lots of classic cars.
Try the Motorcycle swap meet same place
Sometimes yes
There are tons of Schwinn bikes and parts at the motorcycle swap meet (Topping Events) at the same location.
Not really
Yes
Sometimes, you will have to look through items Golden west maybe good as well they have a few bike dealers
I've never seen a specific vendor with your specific request, however there are vendors that you have to search through all their knick knacks to find those specific treasures.
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