Solid Rubber: The front wheelchair wheel is made of PVC rubber, which is inflatable-free, wear-resistant, non-slip, and durable, offering a longer service life. Strong Load Capacity: Supports up to 120 kg. Thickened ABS construction enhances durability and safety. Available Sizes: 15 cm (6 inch), 17 cm (7 inch), 19 cm (8 inch). Please measure your required size and inner bearing diameter before purchasing. Ball Bearings: Equipped with high-quality steel ball bearings. Each wheel includes 2 standard bearings for smooth, off-road performance, ensuring ease of movement. Simple and Reliable Design: Lightweight, compact, and reliable replacement front wheel for wheelchairs. Features a sleek appearance in black or gray to suit various preferences. Wide Compatibility: Suitable for use on wheelchairs, mobility scooters, medical carts, walking aids, and other mobility devices. High-quality materials ensure durability and optimal performance. Refer to product title and details for full specifications. For any questions, feel free to reach out for support. Thank you for choosing this product.