Some of the newer lace wheels like the Street Glide take-off set I am selling are tubeless and don't require a tube... They have an inner liner molded to the rim to seal against leaks...
Yes I understand the new sg lace tire are tubeless. I bough an extra set of brand new factory wheels and this winter put the tires on lace wheels and sell this extra set of rims if anyone is interested. I just wanted to make sure the tires are the same