Requires in most cases also change the seat clamp for a necklace with a flat outer surface (not bevelled) and can accommodate a large screw head.
The system seems quite dissuasive. This is certainly the most developed compared to the competition but the price is still too high given the small number of items offered in a basic kit. For the same price it would take at least the seatpost clamp and protective element of the seat clamp!
At the time of tightening, painting the bike suffered at the wheel spindles which was not the case after repeated removals of the original system.