The lock cylinder uses advanced Switzer-land technology with anti-drilling piece, only0.3-0.6mm thickness and snaked shaped,which can effectively prevent technical stealing.

The lock body is made of 8mm squarespecial hardened steel with heat treatment,its strong and high toughness well preventsfrom being sheared, thumped, sawed and drilled.

The lock head is fully enclosed design,wrapped with hardenedsteel under theplastic cover, very hard to be damaged and thumped.

Anti-dust cap

Waterproof nylon sleeve to prevent damageto the bicycle's paintwork

Automatic locking mechanism, convenientand useful