I sold all my esk8s 
They hold up just fine as long as you don’t crank down too hard on them. I like to use a 0.5mm speed ring on either side of them as well.
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A proper shim set between the bearings I think fixed it! Now when I tighten down the axle nut it does not affect the spin of the wheel. I had to build a custom shim set for each wheel as the tolerances were between 10.2mm and 10.5mm.
1) I used a bolt and some washers to create a bearing press that would put the force on the outer race of the bearing so I could really crank on the bearing to make sure it was fully seated before taking measurements. The inner bearings hollow wheels are tight
2) Then used a washer from the outer bearing location to measure the bearing spacer (shim) needed
13.43mm - 3.09mm washer used for measuring = 10.34mm bearing spacer needed
3) I used a 10mm wide x 10mm I.D. x 16mm O.D 18-8 stainless spacer, a 0.3mm, and a 0.1mm shim to create a 10.4mm bearing spacer
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