Kryptonite Evolution Mini

Kryptonite Evolution MiniSolid, simple and compact, the Kryptonite Evolution Mini ($41) has long been the preferred choice for theft deterrence among bike messenger and general cyclist alike. The Evolution Minis are constructed of 13mm hardened Kryptonium steel shackle that resists bolt cutters and leverage attacks, a stout steel crossbar and a lock cylinder housed within a reinforced cuff to prevent theft by Bic.