A breakout transition assembly including a plurality of optical fibers extending through a cable, a plurality of furcation tubes and a housing with a cable inlet and a furcation chamber. The cable, optical fibers and furcation tubes are fixed relative to the housing with a volume of hardened epoxy in the furcation chamber. The cable inlet includes a clearance that tapers between a first end and a second end. In another aspect, the breakout transition can also include a breakout holder comprising at least one guide, such that the plurality of furcation tubes are fixedly received in the at least one guide in the breakout holder, and the volume of hardened epoxy retains the breakout holder in an engaged position with the transition body.