he you hope you are all well. Right i used to use rim jam v3 pads, they where rubbish they didn't hold and they snapped the nipple of the caliper that holds the pads on, so i had to get a new one and re-bleed it. I also believe they snapped my brake mount on my old bt raven 6.0 . I am now using heatsink blue berry pads and i think there amazing !!!! I bleed my brake with DE-ionized water nice and light and a quick reaction. magura hs33 silver With a echo control booster and ti bolts. And a try-all rim 26", running on a smooth rim. I used to grind my rim but i found that the try-all rims start to turn like cheese if grinded a couple of times. Alex mac