Onguard | Bulldog Std U-Lock for Bicycles

• Hefty 13mm (0.51 in.) hardened steel shackle resists cutting, prying and jacking; rubber-coated shackle and crossbar help protect your bike's finish
• Dual lock down mechanism secures both sides of the shackle for excellent pull resistance
• Bump-proof Z-Cylinder tumbler resists picking, pulling or drilling
• Rounded design and centered keyhole eliminate pry points; extra-thick, molded end caps protect against bumps and hits
• Comes with 5 laser-cut keys, 1 of which has an integrated LED light; mounting bracket Included
• OnGuard rates the Bulldog STD U-lock as a 63 out of 100 on its 100-point security rating system, where higher-rated locks offer increased security

Technical specs