Z FRONT MOUNT Front basket and pannier attachment for bike The Z front attachment is an additional system for attaching your Classic Front basket 7059 or your Handlebar Bag 7L 7003 to the handlebars of your bicycle. It has a locking system for maximum retention of the luggage. The 80mm interior opening makes it compatible with E-Bike computers and fits all handlebars from Ø25.4mm to 31.8mm.