The 70 cm length are only just for lampposts or the rapid "security" of the saddle or helmet. Apparently, because the Käbelchen probably aufzukriegen by resolute amateurs using nippers / hacksaw and patience. If a bicycle price above the Rohmetallwerts So for a wheel itself is no longer recommended
The package was there almost difficult to open and unfortunately bulky plastic waste.
The four possible numbers are self adjustable and changeable again - if you have once understood the manual (which has been left-right reversed at least for me), it went quickly.
For an initial deterrent for things on the bike but ABUS Combiflex 201 is better than nothing, still halfway cheap and easy.