Urban brake size Small - the universal brake for max. 4x80mm setups. A lot of skates come without brakes. We at Powerslide care about your safety and developed several kinds of universal brakes that can be easily added to your current skates. The urban brake can be used on the most common frames in the market. The small size is specially made for skates up to 4x80mm setups or smaller. The brake includes all necessary hardware for the assembly. It takes about two minutes to assemble the brake. The brake pad is made of long-lasting and abrasion-resistant NR/SBR material, a mix of natural and synthetic rubber blends.