The Halford's Padlock Bike Spring Free Locking System is a sturdy and reliable bike accessory designed to provide security for your bike. With a 40mm shackle clearance and two keys for added convenience, this padlock is perfect for cyclists looking to keep their bike safe while on the go. Made from durable steel material in a sleek black colour, this Halfords padlock offers peace of mind for riders looking to protect their bike from potential theft.