- Secures to any surface - Versatile fork mount block that secures to any flat surface and works with 9mm quick release forks and most thru thru-axle bikes. - Fork mount bike block mounts to any flat surface including pick pick-up truck beds - Securely transport bikes with 9mm quick release forks and thru thru-axle diameters 12x100, 12x110m, 15x100, 15x110 - Fork mount design clears disc brake calipers