CW4 Wheels for DIY camera dolly rig slider track table skater U groove CamOnWheels

Set of (4) CW4 wheels. You can use these on any pipe with an outer diameter up to 1-5/8inches (44mm). Can replace the wheels on most dollies that use skate/skateboard wheels. This allows you to then use your dolly on any uneven surface. The diameter of each wheel is 58mm (2.28 inches) and width is 33mm (1.30 inches). The new CW4 featuring an updated U-groove that combines a u-groove at the base and continues into a v-groove This combination will offer better stability on a wide variety of track sizes. Check the attached picture for an illustration of how they fit on pipes The listing is for a set of (4) CW4 wheels that comes with 2 installed bearings with a 8mm bore (you can use a 5/16 bolt).