- High quality products and satisfactory customer service at a reasonable price The total wheel size (diameter x width) is 150mm x 24mm / 5.9 x 0.94", the center bearing inner diameter is 8mm / 0.3", and the axle bolt length is 75mm / 2.95. (Please check the detailed dimensions in the third picture before purchasing!!) The package includes 2 gray replacement front wheels, 2 axles, which are easy and convenient to install without complicated steps, saving time and effort. This set of solid replacement wheels is made of high-quality and environmentally friendly rubber. It is anti-slip and dustproof, with high wear resistance and good load capacity. Widely used in disabled vehicles, medical vehicles, etc., compatible with most wheelchairs, walkers, rollators or other 6-wheel replacement accessories. This front wheel replacement set provides a quiet, smooth, and easy ride on all surfaces, suitable for indoor and outdoor use, economical, practical, and durable. Choose this set of 6-inch