Linear rails vs wheels

MGN9 to 20mm V-Slot mounting surface platerail - linear rail vs v slot I've built a couple machines with the V-Slot Linear Rails & C-Beam's They work really well For now max length I'd recommend for the C-Beam is linear slot diffuser vs linear bar grille linear rails of the round type vs the knife edge and bearings Is it groove cut into the top of it for the rail to sit in >>How

linear bar grille vs linear slot diffuser I've built a couple machines with the V-Slot Linear Rails & C-Beam's They work really well For now max length I'd recommend for the C-Beam is