Features: Wheel tires are safe and reliable to use, durable and long-lasting. Durable parts and easy to install. Made of preminum quality plastic and aluminum alloy wheel frame materials, and with exquisite workmanship, high strength. Aside from the great looks, aluminum alloy will not flex as much as plastic under stress or during high ambient temperatures. 4pcs/set Alloy 5 spoke wheel. Specifications: Material:Aluminum Alloy+Plastic Tire Color:Red,for Titanium Color,Blue,Black,(Optional) Diameter:Approx.25.4mm/ 1in for RC 1/28 Wltoys K969 K989 P929 Note: Please allow 1-2cm errors due to manual measurement,pls make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 4x Alloy Wheel Tires