I am selling some tyres currently on Ebay, Continental and Ritchey.
Ritchey Megabite Z Max
http://www.ebay.co.uk/itm/130845350936? ... 1555.l2649
Continental Cross Country
http://www.ebay.co.uk/itm/130845336080? ... 1555.l2649
Continental Navigator Pro
http://www.ebay.co.uk/itm/130845342990...