Havoc is a brand of bicycle parts and helmets.

All gets too long and boring to list here. Main parts are frame, fork, wheels, handle bars, saddle and seat post.

"Weight weenies are a list of how much different bicycle parts weigh. This may include the brakes, wheels, frame, seat, etc..."

Bicycle baskets can be purchased from bicycle stores, bicycle parts specialty stores, secondhand stores and from various sites on the internet such as eBay.

No, that is why there are so many parts.