Originally Posted by rustystrings61

I measured and re-measured my ‘73 GS and my ‘73 Competition Mk II and got near identical dimensions. Both are 23.5-in to top with 22.5-in/57 cm top tubes, 73 degree parallel seat and head tubes, 85 mm of BB drop, around 44 cm chain stays with 105 cm wheelbase, 2.5-in fork rake and around 40 mm trail. That’s on the low end of trail, if not true low trail as I understand it. This matches up with my memory of the other two ‘73 Competitions and the ‘71 example I once owned. Both models get hot-rodded regularly into rando machines.