As far as Evos are concerned, Moto Rapido have one just up the road from me in Winchester:
https://www.ebay.co.uk/itm/DUCATI-Mo...o/283201445356
Or I noticed that there's a cheaper one closer to you in Gwent:
https://www.ebay.co.uk/itm/2011-Duca...C/253986438700
Good hunting!