High quality: Made of high-quality materials, the product is . Fine workmanship: fine workmanship, looks very beautiful. Easy to use,Easy to replace 1.9inch Beadlock design, don't need to glue CNC machined and aluminum anodized finish Negative offset , widen wheel spacing and provide better stability Fits 12mm hex hubs and most 1.9 inch size tires. Quantity: 4PCS Outer Diameter: 88mm Thickness: 36mm Drive Hex: 12mm Weight: 82g/pcs Color:C:White Material:Composite material Package Contents: 1 * rc upgrade parts kit Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.