Urban brake Size Large - the universal brake for 3x110mm setups. A lot of urban skates come without brake. 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 size large is specially made for 3x110mm frame setups and 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.