i had bridgestone 014 all round when i got the bike secondhand in feb the front had a ouple of mm in on it and the shop wouldnt fit a new one but i got a new rear 014 , now i changed the front to a contimotion and have not noticed any differece in grip etc between that and 014 , the rear still a 014 which has done 3500 miles
and down to the last mm will be moving to a new conti rear when i need to change , £86 rear, £70 front for conti, £130 rear,£70 front