No, completely free - but you can buy a 'featured' spot like you see at the top (and would feature nearer the top of the page) for a small fee.
Also it's linked in to your forum account. So you can receive emails and notifications etc as soon as someone makes an enquiry. Still a few week of work left on it to polish it all off.
The only problem you might encounter Rob, is it might only appeal to people in the market to buy or sell a bike :biggrin: