Product Overview Our precision sealed bearing wheels allow for a high weight capacity. Reviews (1 review) Write a Review 1 Review Hide Reviews Show Reviews 5 Just what I needed. Posted by Unknown on 23rd Mar 2020 My old zip-line wheels had worn out and barely moved. I found these easily on line, received a day early and the parts fit perfectly. The zip-line is back up and running just in time for some covid-induced family time!