The abus 6615k microfelx cable lock this lock is an armoured cable featuring 15mm overlapping steel shells that protect the inner steel cable making this a more secure locking option than a common cable while retaining the flexibility and convenience of the cable supplied with the new snap mount frame bracket for effortless mounting and removal from the bike abus 6615k microfelx cable lock featuresmiddot 15 mm overlapping steel shells protect the inner steel