Would y'all please weigh in on some ideas for long range ice tire/stud combo's for a 400-650 cc DS bike towing a 125 lb sleigh. Not worried about tire sizes, just a setup that won't generate too much carcass heat, distortion or stud loss over an all day, sustained 80km/hr ride. I'm talking serious expedition type mileage...like 3500 km or so that would include everything from hard black ice to 20 inches of snow to slush and a bit of mud for spice. Zero gravel or asphalt. I can't say any more yet as this is still a pipe dream/cloak and dagger/subject to funding project but if it happens it will be in late February/early March. School me.