I used to use it, but now i don't bother now i have a grind, i used these black pads when i got my grind and then i sprayed the monty spray all over my rim, and it made my rim look rank, when i braked the pad just became a powder, i reckon it's only good if you have a smooth rim, it doesn't ruin your pads as bad, but still holds well. But yeah, get a grind, so much better, or just using tar