This original bearing set is suitable for WLtoys K989 RC Car. It's a good replacement for RC fans. Its high quality and durable performance can bring lots of racing joy. It's light and strong， made of alloy metal material. Definitely best choice for your K989!<br><img alt="" src="http://www.guphotos.com/images/uploads/RM5553-1.jpg"><br><strong>Features:</strong><br>100% original new.<br>Easy to install and replace the old one.<br>Pretty strong alloy metal material.<br>Specially suitable for WLtoys K989 RC car.<br>Very light weight and portable to carry.<br><br><strong>Specifications:</strong><br>Brand name: WLtoys<br>Item name: Bearings<br>Outer Diameter: 10mm<br>Inner Diameter: 6mm<br>Material: Metal<br>Suitable for: WLtoys K969 K979 K999 K989?RC Car<br>Item dimension: 10 * 10 * 3mm / pcs<br>Item weight: 3g<br><br><strong>Package information:</strong><br>Package size: 10 * 6 * 0.5cm / 3.9 * 2.4 * 0.2in<br>Package weight: 10.1g / 0.3oz<br>Poly bag package<br><br><strong>Package list:</strong><br>4 * K989 6 * 10 * 3 Bearing