Lightweight and versatile, perfect for vehicles where reduced weight and friction are important like a solar car. The 2-1/2 in. dia. wheels weigh in at 2.9 grams without the adapters.
Wheels fit a 3mm axle or use the adapters to fit a 2mm or 1/8 in. dia. axle.
Includes  wheels,  2mm adapters and  1/8 in. adapters.