The tube is made of high-quality composite material (16 components in the mix). This is non-stick material, very wear-resistant and with many other “Premium” properties
The Narviflex Mc-Idler PU is a high-quality steel carrying roller, the tube of which is covered with polyurethane as standard. This makes the roller much more wear-resistant, non-sticking and has more grip than a steel roller.
These rubber spiral rings are mounted on bottom rollers. Due to the screw effect from the center to the outside, contamination of the rubber tire is led to the outside.