Original TNT piston Ø40mm for 50cc kit on derbi euro 1, 2, 3 & 4

Original type piston "graphite according to TNT". Ideal for changing the worn, tight piston of your 50cc TNT kit or your original DERBI euro 1, 2, 3 and euro 4 cast iron cylinder. Comes complete with pin, piston, segments and clips! Quality level, we must be clear, we are far from the real origin, we get what we pay for!