SOLD!!!
I bought a BX1870 and it came with this extra set of wheels. I don't need them. They are in excellent condition. No cuts, wear, plugs or patches.
Front size, 16 x 7.50 - 8
Rear size, 24 x 12.00 - 12
These may fit other BX models, you will have to do the research.
Over $600 from...