Why in practical terms?
-It Is compact
-It is supplied with a bag that is both screws as are attached Velcro to the frame can
-The silicone cover is really so thick, that it is practically impossible so to hurt the paint
-at the key there is an LED with one finds the castle at night good
Why safe?
-If you look at the YouTube videos look to the castle, then you can already see that people move in with heavier equipment (angle ...)
-Schlagschlüssel Not funtionieren In this type of closing cylinder
It weighs about 1.6 kg
It's a little short 1-2 members more would it may be quiet. It's not just as flexible as a chain
Conclusion: Due to the length of me there is only 4 stars. However, you should, if you quick release on his bike has set a second lock (does not have to be that expensive here). Besides these is a castle never a guarantee, which is the wheel but not stolen. It's more about making the bike as unattractive as possible for the thief