Fingers, adj headlamp bracket assembly 42-43mmHigh end CNC machined aluminum headlamp brackets. Width adjustable by rotating the brackets on the fork tubes to fit a variety of headlamp diameters. Two 10mm holes per bracket; one for the headlight and one for a turn signal. By using miniature LED turn signals you will have one of the cleanest turn signal mount solutions in the industry. Distance from fork tube clamp hole to headlamp mount hole 87mm; measured center to center of hole.