U-Lock - 14mmCaracteristicas: Ideal for most motorcycle or bicycle applications; uses a 14mm shackle Dual case bolt lock withstands more than 61 2 tons of pull force; shackle can withstand more than 8,000 lb. of expansion force Shackle length and width specifically designed for motorcycles; hardened chromoly lock body Locking mechanism is in the center of a hardened chromoly crossbar for maximum strength, seven pin tubular pick and drill resistant lock cylinder