OnGuards 4616 standard sized U-lock (4.17 x 7.87 inch opening), which easily allows you to secure your bicycle to a large variety of solid stationary objects. Included is a bonus 4 ft. long x 10mm double loop end cable, utilizing a strong braided steel cable, that allows you to quickly secure your front wheel without needing to remove it. The lock features OnGuards rotating locking sleeve mechanism locks the U shackle on both sides, providing a solid locking interface between the U-shackle and the locking cross bar. OnGuards patent pending Z-cylinder lock mechanism is pick, pull and Drill resistance and features an automatic dust and debris cover to help ensure the longevity of the lock. Included are 2 keys and a quick release all tube mounting bracket allows for convenient storage and transportation of the lock.

• 12mm (0.47in.) hardened steel shackle
• Patent pending Z-cylinder lock mechanism Pick, pull and drill resistant cylinder
• Includes 2 keys
• Automatic dust cover 
• Double Rubber Coating to protect you bikes finish
• Quick Release all tube lock mounting bracket
• Bonus double loop end cable included: 4ft. x 0.39in. (120cm x 10mm) twisted steel cable Tough vinyl cable coating
• Velcro strap secure the cable during transporting and storage.