in 2002 I had to re beam a nacra 5.8 front and rear due to a dolphin striker failure (actually it was the designers failure but that's another story) the track was bolted all the way across the beam. what we did was drill 5mm holes for the bolts on one side of the beam to attach the track and 12mm holes on the other side to allow the use of a tube spanner. the whole thing comes apart and goes back together very quickly and it has stood the test of time. 11 years later:
