Originally Posted by
ThermionicScott
My interpretation (again, just an interloper) is that the "track" version used thinner walls for lightness, and Araya is trying to "manage expectations", as we say now. But to my mind, that just puts it in the same class as other 300g (or less) tubular rims from back in the day.
Yep, better worded than me. Like the wonderful arc en ciel's I'm running the Opus now. Supposedly the road version was around 20 grams or so heavier due to the thicker side walls. All I know is they ride like a dream and if the OP can find a NOS set I bet they build up really nice.