^^^Yes,zip ties. Can be tricky to get the last one or two on. We did a group buy on corroplast to make wheel covers for our polo bikes.
They do suck hard in windy conditions. It can feel like someone is pulling on your wheel.
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C'dale BBU('05 and '09)/Super Six/Hooligan8and 3,Kona Dew Deluxe,Novara Buzz/Safari,Surly Big Dummy,Marin Pt Reyes,Giant Defy 1,Schwinn DBX SuperSport,Brompton S6L/S2E-X/M6L-X/S12 T Line