Originally Posted by
Sluggo
These appear to be cantilevers with horizontal (90*) arms. If that is the case, straddle cable length does not matter ( see
canti-geometry.pdf (circleacycles.com) ). Set the length to whatever length is needed to clear the rack on the inside.
The cantilever angle in that paper refers to the angle between the plumb line (ZP) and the line from the attachment point through the pivot point (AP). As cantilever's get wider, that angle approaches 90 degrees, but on these brakes it's not there.