Need a pair of TKC80s for the Africa Twin, so a quick check of the usual suspects reveals: BCT : http://www.bctmotorcycles.co.uk 140/80-17 69Q = £81.02 90/90-21 54S = £50.47 Into Bikes : intobikes.co.uk :: the motorcycle parts and accessories store 140/80 QB17 = £98.99 90/90 S21 = £62.49...