"Default" writes:

Looking for a suitable venue (in UK) to advertise selling my bike. Any
recommendations?

Is eBay really any good?

Ebay is a buyer's market for whole bicycles.
Ebay is a seller's market for bicycle parts.

I have seen people who buy bikes on ebay, then turn around and sell
the parts at a profit. So if your bike has collectable or high
quality parts, you might consider "parting it out" on ebay. I am
frequently amazed at the low prices for entire bicycles (some in very
nice condition) that are paid on ebay.

- Don Gillies
San Diego, CA