At those speeds, even maximum braking is gentle - the blocks near instantly heat up and lose material. There's a reason why car and motorcycle use heavily coole

At those speeds, even maximum braking is gentle - the blocks near instantly heat up and lose material. There's a reason why car and motorcycle use heavily cooled and much stiffer as well as more abrasive materials for brakes. You have to be really careful to engage both front and back brakes at the same time though.