I believe the programming/firmware in the x2 is a little different, as well. Don't quote me on this, but I seem to recall reading that the x2 has a higher torque limit since they have to turn those big tires over difficult terrain. They also have that extra beefy steering column!
I would think that the x2 would be far smoother all around, but I wonder if the sacrifice in maneuverability is worth the trade-off. If I happen upon a smoking deal on an x2, I might jump on it. However, I don't think I want to trade my 2nd i2 for one. I'll try the knobbies on the i2 until an x2 falls in my lap. Thank you for the input!
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