Weighing in at 17g the lightweight champion of the world - The CNC anodized black aluminum alloy V0 X-Beam. This cuts the weight of your x-extrusion by more than half while offering great structural strength and rigidity. Add to that, it includes threaded holes for your linear rail (MGN7) and you save even more weight by removing nuts or linear rail bars (which are heavy!).
Printed parts can be found here.
No brainer, get it - you'll thank us later.