Durable solid wheelchair caster replacement parts are compatible with most manual wheelchairs on the market 1. PVC solid rubber material, wear-resistant and non-slip 2. ABS thickened wheels, stable structure 3. Flexible use, equipped with ball bearings and lead screws Specification: Product name: Wheelchair front wheel Material: PVC Steering: single wheel Maximum load: 120 (kg) Bearing material: metal Color: gray, black Wheelchair wheel size: 6Inch, 7Inch, 8Inch Bearing inner diameter: about 8 mm 0.3 inch Package includes: 2 wheelchair front wheels, screws Front wheel installation: 1. Place the wheel in the middle of the front fork 2. Pass the screw rod through the hole 3. Screw the screw cap until the wheel can rotate flexibly Note: There is a risk of hand pinching when combining screws during installation. Ferry Precautions 1. Check whether the screws are tightened before use 2. When encountering obstacles in the process of use, do not hit, and should detour 3. Use away from high temperature fire sources Note: When using a small wheel, check for looseness. Note: 1. Due to the difference of different monitors, there may be a certain color difference between the picture and the actual color of the product. The actual product shall prevail. 2. Due to the measurement, please allow a size difference of 1-2 cm (0.4-0.8 inch). thanksScope of Use: wheelchair wheels are very suitable for most manual wheelchair carts, front wheels, walkers, disabled vehicles. Reliable and Easy to Install: good reliability, small size, light weight, beautiful appearance, two colors of black gray, to meet your various needs. High-quality Materials: PVC tires, wear-resistant, non-slip, good flexibility, good walking quietness, a certain degree of wear resistance, suitable for various environments. Strong Carrying Capacity: high-quality wheels, wear-resistant, non-slip, durable, thick ABS wheels, strong load-bearing. Sturdy and Durable: metal ball frame bearing, sturdy and durable, built-in high-quality steel ball bearing, each wheel built-in 2 standard bearings, light rotation, labor-saving and practical. Bearing hole: 8mm.