Why would a main dealer list a bike, https://www.ebay.co.uk/itm/12764246...R4rZYV65j6J93eB50Dq0TXZBJn|tkp:Bk9SR9zy64T-Zg, and include a picture of a rusty chain ? Andy
signs of corrosion in many places, maybe too much "product" used during last clean, and then been left to dry wet or similar.