This bag has been specifically created for the Honda NC750X (2016-on).  It mounts to the cover of the integrated storage compartment using a harness.  The bag attaches to the harness using four quick-release straps

Materials:
• Polyester 600D W / R
• Pu inserts and fluorescent yellow reflective piping
• Matt black reflective material

Features:
• Expandable front - 15 to 19 cm
• Cover with an integrated Sat-Nav / mobile phone holder
• 2 side pockets with zipper closure
• Rain cover in fluorescent material with transparent window
• Shoulder strap for easy transportation
• Reflective prints and inserts