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Did you go from Grand Bois Hetres to Compass somethings on your Oak?
Mainly because in the past it was only Grand Bois.
However, the new Compass felt racier and more comfortable at the same pressure, but for some reason, doesn't seemed to be more vulnerable (the Hetres' thread actually help reduced sharp object from getting embedded easily despite having a very slightly squirmy feel when cornering).
dangeek
edscoble
I'd stick to them, they are excellent inner tube anyway, it's just light buytl are not that great on skinny road tyres.