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What on earth possessed you to go for those?
"I just talked to Technical Support at Shimano America. I was informed that there should be no issue(s) with the new 10-Speed cassettes running on 7800-Series hub."
http://www.bikeforums.net/bicycle-mechanics/606036-dura-ace-7800-rear-hub-cassette-compatibility.htmlI have no great desire to run eleven speeds. All the eleven speed kit is ugly, which of course is my primary consideration. I've found a few forums, as well as Sheldon, saying that there are other 10 speed casettes that will fit, not just DA 7800.
And thanks for the reassurances on the wheels, can wait to sprint up a hill on them :)
William.
gbj_tester
What on earth possessed you to go for those? Shimano realised their error after about 6 months and replaced them with 7850. You need to use the "10-speed only" CS-7800 cassette with the deep splines, which are not quite hen's teeth yet but will be in a few years when you've worn out your first one.
A bit of weight imbalance is normal, due to the rim joint.
In my experience, Shimano tend to ship their hubs a bit tight, so you'll feel some clickyness in the bearings from new. Don't hold the axle and spin the wheel, hold the wheel and spin the axle. That will tell you whether they're too tight. Cup and cone bearings open up under radial load, so as long as they're not ridiculously tight unloaded, the clearances will probably be spot on once you're riding.