Black bicycle ring lock 1.Lock size:According to customer's ... :Stainless steel 3.In low price,high quality Black bicycle ring lock1.Size:According to customer's demand2.Colour: ... red,black,blue,green,yellow3.Made of ABS,A3 Iron,zinc alloy,brass,PVC,65# steel ... :Europe type 5.We specialize in producing all kinds of bicycle and motorcycle lock.for example.steel cable lock,steel ...