Stablisers bolt directly to Cnoc 16 frame. Note that whilst they will fit onto pre-2016 Cnocs, they will not be the correct height. It is possible to bend the arms to adjust the height, but requires a sturdy vice and a lot of strength! Also note that we do not recommend stabilisers as the best way to learn to ride a bicycle - see our video here for tips on helping your child learn to ride.