Feature: 1. Made of high-quality aluminum alloy material, durable and sturdy, with a long service life. 2. The rim adopts an asymmetrical design, allowing even tension distribution without sinking. 3. Enables faster wheel assembly, high performance, and serves as a reliable replacement. 4. Suitable for bicycles with 20-inch wheels and compatible with 20x1.5 and 20x1.75 tire types. 5. Can be installed with 28 spokes; thickened rim design, universal for bicycles and electric vehicles. Specification: Item Type: 28 Holes Rim Material: Aluminum Alloy Color: Silver Black Specification: 20in Outer Diameter: Approx. 41.8cm / 16.5in Inner Diameter: Approx. 37cm / 14.6in Height: Approx. 2.5cm / 1.0in Weight: Approx. 386.0g / 13.6oz Number of Holes: 28 holes Suitable for bicycle 20x1.5 and 20x1.75 tire models Suitable for bicycles with 20-inch wheels Package List: 1 x 28 Holes Rim Note: Please allow 1–2cm error due to manual measurement. 28 holes means 28 spokes are required. Check the tire model and count the spokes before purchase. This rim is thickened and universally fits bicycles and electric vehicles. Spoke length depends on the rim, hub, and lacing method. If the original spokes are not compatible, adjust using appropriate lacing methods or replace with new spokes.