The lock cylinder uses advanced Switzerlandtechnology with anti-drilling piece, only 0.3-0.6mmthickness and snaked shaped, which can effectivelyprevent technical stealing.

 The lock body is made of hardened steel with heattreatment, its strong and high toughness welprevents from being thumped, sawed, sheared anddrilled.

The connecting plates are using 5mm thicknesshardened steel alloy, only 0.2mm gap, hard to bedamaged and preventing several types of potentialattacks, Unique design allows links to rotate smoothlyaround the axis, without jamming or squeaking.

Outside the link using 3mm high quality PA coating.effectively prevents from scratching your bike paint.also protects the lock body away from rust andCorrosion.

Anti-dust cap
Fully enclosed design, anti-theft
Patented lock bracket with side pulling take outdesign, very user friendly