29 yes, but tbh, I don't feel the difference between 29 and 31 (they heat up anyway, increasing the pressure). A bigger difference, yes, I feel that. Especially the front.
Nah no. The quickshifter is cool, but a clutch deciding for you when and how much to slip is not cool. Ride a gear too tall in the mountains downhill and there is always the risk of the clutch suddenly disengaging while engine braking. Also, you can't park your bike in gear anymore (against...