My mega-bmx was just a bare frame and parts.
Southpoint hybrid frame
No name 700c rims taken from another bike
72 302mm spokes in in the bin
Shimano CB-E100 coaster brake hub bought 2 years ago for something like this
Front hub scrounged from a spare wheel laying around, rebuild with a 10mm axle from the bike I scrounged the rims from and bearings I had on the bins.
Schwalbe Big Apple tires from and old gravel grind build
Misc tubes in the bin.
New headset bought same time as the hub
Zoom stem from a junked kids bike
Hot Chili downhill bars I had on my flat bar road bike
Cheapo rubber grips and bar end caps from new spare parts bin
Seat post clamp from the bin
Seat post and seat clamp from the kids bike the stem came from
Brooks cambium that has been on various other bikes
Brake arm clamp and bolt from the bin
7 speed chain new spare part bin
SR crank and 52t ring that has been on various other bikes
chainring bolts and had to cut them down from double size to single from the bin.
Deep purpley red spray paint for the stash.
Rides nice.