2pcs 6 Inch Wheelchair Replacement Rubber Front Wheels for Rollators and Walkers The overall wheel dimension (diameter x width) is 150mm x 24mm (5.9 x 0.94 inches). The center bearing inner diameter is 8mm (0.3 inches), and the axle bolt length is 75mm (2.95 inches). Package includes: 2 x gray front spare wheels, 2 x axles. Easy and convenient to install without complicated steps. Made of high-quality, eco-friendly solid rubber, these wheels are non-slip, dustproof, wear-resistant, and load-bearing. Compatible with most wheelchairs, rollators, walkers, and other mobility aids using 6-inch wheels. Provides a quiet, smooth, and lightweight ride on all surfaces—suitable for indoor and outdoor use. Specifications: - Material: Solid rubber - Color: Gray - Overall wheel dimension (diameter x width): 150mm x 24mm (5.9 x 0.94 inches) - Center bearing inner diameter: 8mm (0.3 inches) - Distance between bearings on both sides: 40mm (1.57 inches) - Axle bolt length: 75mm (2.95 inches) - Total weight: 700g Package includes: 2 x 6 inch gray front spare wheels, 2 x axle screws