20 Inch Folding Bike Frame Aluminum Alloy

This video demonstrates the key features and construction of the Crius Master 20-inch aluminum alloy folding bike frame. We'll walk you through the frame's gloss surface processing, V-brake and disc brake compatibility, and show how it accommodates both 406 and 451 wheel sizes. You'll see detailed close-ups of the frame geometry, axle specifications (74mm front, 130mm rear), and learn about its ultralight design suitable for various folding bike builds.