These are super-easy to transport and use, locking through one (usually the front, for better access) brake discs and preventing the wheel from turning. This is useful because, although in itself ...
Another downside in my mind is the proprietary internal cable routing solution Ridley uses here. The bike features a tapered 1 1/4″ to 1 1/2″ steerer that is D-shaped to allow the brake lines to fit ...