Robust 12mm steel braided bike lock provides a security deterrent and lets you lock your bikes to the bike carrier and your carrier to the car (locks included). Fully rubberized coated sleeve protects bikes from cable contact when in use.12mm steel braided bike lock provides a security deterrent and lets you lock your bikes to the bike carrier and your carrier to the car (locks included)Fully rubberized coated sleeve protects bikes from cable contact when in use