Coker Tire 63525 Beck Cycle 500-16 Coker Beck tires in popular 500-16 size are premium classic motorcycle tires for vintage and custom motorcycles. This Coker Classic Cycle tire features the classic Beck tread design and great looking black sidewall details. This is an excellent fitment for restored or survivor classic motorcycles. These tires are also very popular for custom builds. This tire is also available in whitewall style. Available in 16- and 18-inch popular sizes and backed by our life of the tread warranty.