Kryptonite Series 4 Disc Premium Pack</br></br>Product Description</br></br>Krytptonite EV Disk Lock with NEW European pick-proof key system. Our toughest motorcycle and scooter disc lock for urban and other high theft danger areas. Through-Hardened 1/2" Kryptonium TM Steel shackle defies bolt cutters?? saws?? hammers and chisels to provide maximum security.</br>