Here’s the skinny on the Rollerbones:
These come in at 31mm wide with a 26.4mm roll surface, making these a pretty skinny option by freestyle standards – if you’re used to thin street wheels, this might be an option for you.
We measured the distance from the outer ring of a standard bearing to the surface furthest away from the truck as 7.95mm, and as a standard axle nut is 6.4mm thick, this gives you a tiny 1.55mm of urethane covering the axle nut. For comparison, our other “skinny and cheap” repurposed rollerskate wheels, the Sure-Grip Fame, has 8.6mm of axle coverage, so you might want to consider those if you’re a big fan of being on the side of the board. That said, neither comes close to the extra-deep Seismic Focus as the wheel of choice for coconut wheelies and the like.
Finally, we should note that despite Bones claiming these Rollerbones are 98a, stabbing them with our durometer gives us a reading of 94a. However, expect them to feel hard and slippery (ooh-err, matron) compared to most wheels, judging by our experience with these.