Checked every suggestion aside from the freewheel, which I don't have the tool for atm.
Thanks for the suggestions guys, I guess we've eliminated it down to one thing... case closed - for now. Will be back if I still can't sort it once I have the tools!
This sounds a lot like my weird rhythmic click/clunk:
only happens when pedalling
random and intermittent
regreased seat post, no effect, plus it happens while in or out of saddle
brand new freewheel installed last month
chain is straight and not over extended
happens regardless of which side I pedal with, so not the cranks pedals or cleats
I'm now thinking bb is all that's left to check, but I don't have a crank puller.
This sounds a lot like my weird rhythmic click/clunk:
I'm now thinking bb is all that's left to check, but I don't have a crank puller.