The lock cylinder uses advanced Switzer-land technology with anti-drilling piece,only 0.3-0.6mm thickness and snakedshaped,which can effectively preventtechnical stealing.

The lock body is made of 7mm specialhardened steel with heat treatment, itsstrong and high toughness well preventsfrom being sheared, thumped, sawed anddrilled.

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

Anti-dust cap
Waterproof nylon sleeve to preventdamage to the bicycle's paintwork