The only drawback is that the bicycle handlebar bag is fitted with a zipper tapes to pinch. This looks visually quite good.
Since no metal is tuned so that you can secure the bag had moved provisionally to prevent unauthorized opening.
Better it would have been if the manufacturer of the zipper would completely equipped metal and a hole.
Because then you can through the two zipper ends Hang a small castle.
Suited a little TSA suitcase lock from ABUS or also by ABUS the stroller lock the security cable.
Then, the possible contents of the bag would be additionally secured against theft, and not only the clicked Lenkertasche alone.
Otherwise, the case is very well made, can accommodate a SLR camera with lens or bicycle clothing etc.
For the case there would be 5 stars if the substance is any ribbon sometime delivered against a full metal zipper. Therefore, for security reasons 3 stars.
Addendum:
In the meantime, also a product of ABUS is offered, where the zipper hooks can be secured with a small lock. So without ribbon.