Innovator of the bicycle U-lock, is recognized, demanded and trusted as a leading provider of security products by consumers worldwide.

Master Lock's Pro Sport lineup features the toughest bike locks on the market. With extreme durability, a pull strength up to six tons, and innovative new products, these bad boys live up to our reputation as the leader in lock security.

Whiplock bike lock is the most convenient lock available and is designed for the majority of people who need a fast, highly secure way to lock up and deter opportunistic thieves.

Onguard's new 2011 Bulldog Series just got a face lift. With its changed look and configuration the Bulldog Series is now leaner and meaner. The thin cross bar ...

Online shopping for Bike Locks at Amazon.com.

For bike locks from Kryptonite, OnGuard, and Abus, the bicycle lock pros at A & Js' Bike Locks have everything you need.