ah another Should imperitive ..
The Road caliper short swing, is sold for road brifter aplications.
try the low priced coiled square wire brake housing first, and see if its adequate.
If not , then you only need to buy a short section for the front brakes anyhow.
the rear will skid pretty easily anyhow, as most force is the front brake ,
because inertia is always with you.
then keep an eye out for the cable to hydraulic cylinder mechs,
the early stuff is way up there in price, as early adoption usually is,
as demand raises, mass production kicks in, the cost will come down.