Keep your bike safe and secure with this heavy-duty anti-theft Sig Tuna Gear bike lock. Made of durable steel, this U-lock features a key mechanism to keep your bike locked in place. The medium-sized lock is perfect for any bike and has a sleek black finish to match any style. Measuring 8.5" in length and 7" in width, this bike lock is perfect for any cycling enthusiast looking for an extra layer of security. Whether you're commuting to work or taking a leisurely ride through the countryside, this lock will keep your bike safe and secure. Get yours today and enjoy the peace of mind that comes with knowing your bike is always protected.