Originally Posted by alasdair

Unfortunately these have a retract angle of 100 degrees or so. Ideally I'd use 85 degree retracts but 90 might do.
Anyone know how these things work? Is it possible to alter the end stops?
I am reluctant to take them apart without some idea of what I'm doing.
I decided to build with fixed gear. To change I'd need to hack out the mounting plates I've already fitted and make up new mountings.