▶️ The unique design of 4 X-Grip Silicone support holds the phone perfectly to prevent it from falling while riding on rugged terrain or on a bumpy surface. ▶️ The mobile holder comes with an adjustable length. The holder is housed in a 360° Dimensional Rotating Ball Head and an adjustable tuning knob. ▶️ The mobile holder is encased with Silicone Rubber on all Four Corners. ▶️ It is Compatible with a handlebar with a diameter of 18-32mm for convenience. ▶️ It also has a Phone Lock knob for Strong Hold.