Upstanding Bicycle Company Commuter Upstand Extremely strong lightweight construction: Carbon Fiber and Stainless Steel. Quick and Easy: Magnetically attaches to attachment tab and stores in Upclip. One Time Install: Slide the attachment tab on your rear standard quick release skewer and you're done! Peace of Mind: No more worrying about where you'll be laying your bicycle. Handmade in the US: All of our materials are sourced locally and assembled by hand.