Originally Posted by
secret_squirrel
Block fitting can be awkward on the rear. Mine used to toe in quite a bit before I switched to Maguras. Make sure your have the full set of washers on the blocks particularly the dome shaped ones that give you a bit more angle on the blocks.
Thanks. I took the block off and replaced it carefully with the dome-shaped washers and this time the toe-in wasn't so pronounced. I'm not sure what minor misalignment the first time was causing such an extreme effect.