Due to the hard inner material, the rubber grip can be better attached to the handlebar and thus prevents the handlebar from slipping.
The soft rubber compound, on the other hand, ensures that all vibrations emanating from the motorcycle are reduced.
The different components allow the best possible compromise between durability and comfort,
The very smooth flange prevents the formation of bubbles, the perforation at the end of the handlebar allows a precise cut to mount the handlebar weights.