I'm no expert on the B68 because i've never had one. Would like to try it based on the fact that I don't think my (cool looking) springs flex much when I ride.
I have no evidence that they do. On the other hand, I already have the B67 why replace it? to lose a pound? nah.



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) and the springs definitely work. I can feel a clear difference in the 2 saddles on bumps.
