OnGuard makes the meanest, toughest locks in the buisness. Packed with fetures inside and out, we deliver the best in security, value, and service. On the inside, OnGuard locks earn the highest safety ratings with double and quad-locking mechanisms,bumb-resistant cyclinders,and hardened steel shackles and chains. on the outside, our locks are fully-coated to protect your bicycle or powersport vehicle from scratches and to shield internal parts from the elements, while the bright color scheme sends a clear warning to thieves: don't even try! And then there's the extras: all-tube mounting brackets, five laser cut keys, key-code registration, comprehensive anti-theft programs, limited lifetime warranties and the best sales and customer support team in the business.