Description Kingbull ebike phone mount designed with 4 corners claws (with rubber pad inside to avoid scratch) to grip each corner of phone securely. When fix the cradle to handlebar, we use screw nut for easy installation, and ensure cell phone stays securely to your ebike even on a bumpy rocky road, work good for both mountain and road ebike. Super Stable and Safe! Overview Material: Stainless steel+ABS+silica gel Weight: 250g Dimensions: 145.5x83x121mm Phone size requirement: 4.7-6.8 inch