Gary14 said:
They look the buis, but have found fitting aftermarket discs can cause vibration at speed say 70 to 80mph and have a tendancy after a couple of thousand miles to vibrate when braking.
I always use OE discs now as per the reason above, again OE discs are balanced so no vibration :thumbup:
I must be lucky then because ive never had vibration when braking or otherwise from my Blackdiamond drilled & grooved disks. On my 2nd set of discs too (been using them for 4+ years now)