Royalbaby Astro Kids Bike Lightweight Magnesium Alloy Frame
Royalbaby Astro Kids Bike Lightweight Magnesium Alloy Frame 14/16/18 Inch Wheel Children's Bicycle for Boys Girls Ages 3+ Years . Our RoyalMg series aims to push the boundaries to the next level. The Magnesium alloy frame is a combination of the flexible shape of carbon fiber and a weight reduction of aluminum, along with our reputable original parts, that's how we define our flagship series. While having the same structural strength and durability compared to a steel bike, RoyalMg technology optimized the weight and shock absorption. . Mg-Al alloy is the ultimate material for a high-end bike. The frame is...