The lock cylinder uses advanced Switzerlandtechnology with anti-drilling piece, only0.3-0.6mm thickness and snaked shaped,which can effectively prevent technicalstealing.

The lock bodyis made of6mm square specialhardened steel with heat treatment, its strongand high toughness well prevents from beingsheared, thumped, sawed and drilled.

The lock head is fully enclosed design,wrapped with hardened steel under theplastic cover, very hard to be damaged andthumped.

Anti-dust cap

Waterproofnylon sleeve to prevent damageto the bicycle's paintwork