Alarm Bicycle Lock 1.Cylinder with anti-drill,anti-saw and anti-pick protection. 2.Corrosion protection. 3.Tough vinyl cable cover with different colors available. 4.Available in different length. 5.Led-key is available for the convenience in the night. 6.You can lock your bike/motorcycle by itself,or attach it to a fixed object(e.g. fence,lamppost,road sign...) Packing detail: Size OuterCtn Meas G.W.N.W.Unit package Dia25*1000mm12pcs46*22.5*30cm16kgs15.5kgsbind with color card Dia25*1200mm12pcs52*22.5*30cm17kgs16.5kgsbind with color card