I just bought a buncha tires off a tire shop, among them was this 19" rear tire. Since I don't have anything it will fit on I am putting it here for sale. Its a Bridgestone motocross M70 size, 110/90-19. As you can see from the pictures the tread is about 85-90% remaining.
Along with this tire I have a brand new Pirelli HD 19" tube.
I'm not sure how I ended up with this tube but you can get them both for $20. I will also trade even up for a new 18" HD tube.
Shoot me a PM if your interested and we'll work out a drop off/pickup arrangement.