He agreed to buy a bike advertised on eBay, he received an email from what looked like an email from eBay which asked for payment he stupidly clicked the link and paid via bank transfer on the basis that eBay would hold the money until the bike was delivered, obviously anyone reading this will say how could you get sucked in but he did and transferred £7500 in the belief that it was being held by eBay until it was delivered.

Ouch that's got a hurt. Obviously police and bank have been contacted to try and trace the transaction?He agreed to buy a bike advertised on eBay, he received an email from what looked like an email from eBay which asked for payment he stupidly clicked the link and paid via bank transfer on the basis that eBay would hold the money until the bike was delivered, obviously anyone reading this will say how could you get sucked in but he did and transferred £7500 in the belief that it was being held by eBay until it was delivered.
I doubt eBay will get involved, if the email wasn't actually sent through them. The bank may help though.