Horizontal Clearance : 108 mm Vertical Clearance: 230 mm Weight: 1.68 kg features: ABUS 54 Series 13mm Sq \'U\' Shackle Lock C/W Mounting bracket ABUS Plus-X Cylinder for highest protection against manipulation 2 Coded keys - Additional keys can be ordered by code number only giveing extra key protection 1 key is illuminated. 13mm Square parabolic shackle Hardened steel contsruction - Resists bolt cutter attacks Security level 15 (maximum level) Very Good protection at high theft risk Recommended for securing high quality bicycles