Obsius fingerboard wheels use premium custom blended urethane which makes the wheels wear-resistant, moderately hard, and soft. 75D urethane increases the friction to get a great grip along with the squeaking sound.
Obsius fingerboard wheels use premium custom blended urethane which makes the wheels wear-resistant, moderately hard, and soft. 75D urethane increases the friction to get a great grip along with the squeaking sound.