No matter how bikes evolve in the next thousand years, the Circa 2000™ will park them safely and securely. Circa’s™ concentric design helps guide bikes into place while spacing them safely apart. Once in place, the Circa 2000™ offers bikes two distinct contact points, at front and rear, for secure locking.Each circle of Circa 2000™ parks two bikes. Racks are available in configurations that park up to eight bikes. The Circa 2000™ bike rack is designed to last well into the next millennium. Its sturdy 1-7/8" structural steel tubing (1-1/2" Schedule 40 pipe) stands up under the most harsh and punishing environments. The Circa 2000™ is available in a galvanized finish, a wide variety of powder coat colors, and a stainless steel finish.