Yeh i just worked it out from the heatsink site the backings are £20 and the refills are £8 works out about write so these pads will be exellent because i have heard alot of good feedback on them
Basically put the wheel in the forks and tighten all one side of the spokes until its straight in the forks. so if its way over on the non disc side like touching the forks tighten the disc side spokes