Inline Skate Wheels Outdoor & Indoor Blade Roller Skate Wheels 85a Roller Hockey Wheels w/Bearings ABEC-9 for Scooter Luggage Repair, 64mm 70mm 72mm 76mm 80mm Dia, 8-Pack (Black, 70mm)

I haven't skated on these much yet, so I can't tell you about their longevity, but they're super grippy and pretty fast. The bearings are super smooth and we're all pre installed correctly. I have an $80 set of wheels and bearings that came with my skates, and these new wheels seem to be equal quality with those.I will try and update this review after I've skated on them for a few months.

I bought these for my inline k2 skates. They are only used for internal shaking on gym floor. After one use there was a significant amount of wear from the wheels so I suspect that these will not last very long. I would describe it like the fragments you get after using a rubber. I predict they will need changing yearly. Therefore, it might be better to just but a more decent set of wheels in the first place.

Purchased these to replace my old worn out wheels on my roller blades. Quick tip: save time researching, the bearing numbers didn’t matter to match. The current wheel size is usually printed on the old wheel. (Mine were 74mm) this doesn’t mean you can’t upgrade to a bigger size. The frame on mine showed max wheel size on a sticker so take a look on yours. I upgraded to 80mm for more speed. Pretty simple installation just needed two Allen keys. Used them a dozen times already in the street and they are perfect. Fast rolling and seem durable so far. Highly recommend. Saved $100 compared to buying new rollerblades.

Didn't put these on skates or even a skateboard. I used them to refurbish a lathe steadyrest. They work great and since it operates at a much higher speed with no problem than they would on skates I can safely say that they would be perfect on people powered devices such as skates.

These wheels are great, it feels smooth and fast, my son is very happy with this upgrade.