Usage Tips:Wheelchair Accessories: Wheelchair front fork and front fork with replacement wheel kit. We provide 6 inch/7 inch/8 inch for you to choose.Material: Thickened ABS pp, quick knockdown, for use.Features: Heavy duty, wear-resistant, smooth, silence.With 1.2CM ball bearings using in all joints, brings a max loading capacity and long workingEasy Installation: Come with screw, Easy to install and removed.for most manual wheelchairs carts front wheel, walking aids,rollators,walkers, etc.Specification:Material: Thickened ABS ppBearing Hole Diameter: approx. 1.2cm/0.47inchSize Chart:6 inch Fork: 13.5x3.5cm/5.31x1.38inch Fits 14-15cm Diameter WheelsPackage Includes:1 Piece Wheelchair Wheels Front ForkNote:1. Please allow slightly error due to manual measurement.2. Due to the difference between different monitors, the picture may not reflect the actual color of the item.3. Wheelchairs you a wonderful on-line shopping!