This high quality lockable stainless steel handle is surface mounted to suit 22mm OD tube. The key barrel is protected by a spring loaded flap to reduce dirt and moisture build up. To release the handle press the PUSH flap and pull the black plastic handle. Driver friendly closure operation which can be closed when drivers hands are full by leaning against the handle. Cams, Keepers and Saddles sold as a kit separately refer LKSSDSMK22SAD