R.J.VON - Caps Lock works by locking the front brake lever to the handlebar, preventing the vehicle from being pushed away. Main Features:100% brand new and high quality ,Simple to use, highly visible, easy to use designed as strong enough and light in weight Built-in stainless steel wire, difficult to cut with a saw widely used for all scooters, motorcycles and ATVs Stops embarrassing falls - Unlike disc locks, you can\'t forget it\'s in place, no bending, no disc dirt or street grime.Key not required to lock.Twist grip sizes from 27-38mm Used on the front brake lever will keep the bike from being pushed off the centre or side stand Used on the rear brake lever will hold the back tyre from spinning allowing for the loosening or re-torquing of the clutch nut when doing belt, clutch and variator maintenance/p>