ABUS Tresor 6615C - Level 5Locking without keys: the Steel O Flex Tresorflex 6615C makes it possible. And protects with its steely combination of cable and sleeve coating. Instead of searching for your key, with the Steel O Flex Tresorflex 6615C its simply a case of: select the numerical code you want, set the number reel and secure your bike. This clever cable lock is full of ABUS quality: the 15mm steel sleeves that envelop the steel cable makes things twice as difficult for