Aztec V-Type Cartridge System Brake Blocks Key Features Replacement Plus compound brake block system for V-brakes Anodised aluminium alloy pad shoe with built-in pivot system to save weight and make it easier to achieve perfect alignment High performance Plus compound composition gives the best braking performance in all conditions - provides maximum braking power, positive braking feedback and durability CAD tread pattern ensures maximum contact area for consistent braking performance in all weather conditions bullet point 2 Simple slide out and slide in pad replacement Supplied complete with one set of alloy rim compatible pad inserts