Kit containing everything you need to upgrade your Charger balance bike with a rear brake. The kit includes: Tektro Left/Right Hand Lever (JL352-RS)Tektro 837AL V-Brake Assembly2 x Brake bosses (M10x1.25P)Rear brake cable assembly - pre cut to length**The installation requires you to thread the brake cable through the frame, which can be awkward. Please read the installation guide before taking on the work. If unsure, please visit your local bike shop who will be able to help**Installation guide