I see a lot of wheel with is info on them Rear Axle Type: 10x1 and I see a lot of these too Rear Axle Type: 9x1 witch wheel axle is better both can use a 9 speed rear cassette.With Shimano Deore XT M770 Mavic A719 I understand what this part is all about.But am so lost with the axle part so what is better 10x1 or the 9x1.I would think the 10x1 would be.Any info on this matter will help out a lot.Thanks