• 100 Pack black rear wheels with spokes for Co2 dragster cars
• Each wheel is made of durable polypropylene, constructed in one piece, and features an axle hole that fits a 1/8" diameter axle (axle not included). Note: The axle hole is only on the inside (doesn't go all the way through the wheel).
• 40mm diameter with a surface contact width of approx. 17.5mm
• Each wheel weighs approx. 0.21 ounce
• Designed for speed, looks, and performance. These plastic wheels are also suitable for other DIY projects including 3D printed vehicles, robotics, etc.