LED-ready product ? can be supplemented with the LED light guide set, QMR 2.0 mounting system fits round luggage carrier tubes with diameters of 8-16 mm, notebook compartment for 13.3'' 33 x 23 x 2.5 cm, easy-to-read main compartmentmain compartment, convenient organiser divider, key holder and pen holder in the main compartment, front pocket with zip, padded smartphone compartment, separate compartment for stowing the Plug and Ride fastening rail, compression straps, webbing shoulder straps, reflective elements.