Chaparral Motorsports has the TKC's on sale cheap enough to give them a try. The 140/80/18 for my SE is $115 with free shipping when I ordered 2 the front was $99.
KTM 950 SE
KTM 525 EXC
Motorcyclist prayer: Oh lord if I die, please don't let my wife sell my bikes for what I told her they cost.