features:<br /> and high quality.<br />use for replacing the old or the broken one for safe skating.<br />come with 1 pair bearings with the dia is 8mm， fit to most  inline skate shoes.<br />to get a new one， provide a faster， smoother and more reliability skating.<br /><br />specifications:<br />material: pu+metal<br />color: blue， clear<br />dimension: approx. 64mm / 70mm / 72mm<br />bearing dia: approx. 8mm<br /><br />package includes:<br />1 x skate wheel<br /><br />note: for different monitors， the color may vary slightly. besides， please allow some errors of manual measurement， thank you for your understanding!